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101121200013231 = 321937101158242453
BaseRepresentation
bin10110111111100000011101…
…001101001011111110101111
3111021001002111021221112221200
4112333200131031023332233
5101223232204200410411
6555022234334100543
730204523414045446
oct2677403515137657
9437032437845850
10101121200013231
112a247295201962
12b411b7134a753
1344568c40c6338
141ad8413ad5d5d
15ba55db52ae56
hex5bf81d34bfaf

101121200013231 has 48 divisors (see below), whose sum is σ = 159470415443040. Its totient is φ = 61524665337600.

The previous prime is 101121200013221. The next prime is 101121200013257. The reversal of 101121200013231 is 132310002121101.

101121200013231 is a `hidden beast` number, since 101 + 121 + 200 + 0 + 13 + 231 = 666.

It is not a de Polignac number, because 101121200013231 - 229 = 101120663142319 is a prime.

It is a super-2 number, since 2×1011212000132312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121200013221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78482200 + ... + 79760253.

It is an arithmetic number, because the mean of its divisors is an integer number (3322300321730).

Almost surely, 2101121200013231 is an apocalyptic number.

101121200013231 is a deficient number, since it is larger than the sum of its proper divisors (58349215429809).

101121200013231 is a wasteful number, since it uses less digits than its factorization.

101121200013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158242616 (or 158242613 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 101121200013231 its reverse (132310002121101), we get a palindrome (233431202134332).

The spelling of 101121200013231 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred million, thirteen thousand, two hundred thirty-one".

Divisors: 1 3 9 19 37 57 101 111 171 303 333 703 909 1919 2109 3737 5757 6327 11211 17271 33633 71003 213009 639027 158242453 474727359 1424182077 3006606607 5854970761 9019819821 15982487753 17564912283 27059459463 47947463259 52694736849 111244444459 143842389777 303667267307 333733333377 591352046861 911001801921 1001200000131 1774056140583 2733005405763 5322168421749 11235688890359 33707066671077 101121200013231