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121120100010101 = 23149617161935381
BaseRepresentation
bin11011100010100001111000…
…100010010100100001110101
3120212211222011000120002222202
4123202201320202110201311
5111333412431100310401
61105333450015234245
734340431663162223
oct3342417042244165
9525758130502882
10121120100010101
11356578229522a5
1211701a78518985
135277765527b3a
1421ca35bc13b13
15e00929a2a06b
hex6e2878894875

121120100010101 has 32 divisors (see below), whose sum is σ = 127522955232000. Its totient is φ = 114815746608640.

The previous prime is 121120100010073. The next prime is 121120100010139. The reversal of 121120100010101 is 101010001021121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121120100010101 is a prime.

It is a super-3 number, since 3×1211201000101013 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120100010191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3423291431 + ... + 3423326811.

It is an arithmetic number, because the mean of its divisors is an integer number (3985092351000).

Almost surely, 2121120100010101 is an apocalyptic number.

It is an amenable number.

121120100010101 is a deficient number, since it is larger than the sum of its proper divisors (6402855221899).

121120100010101 is a wasteful number, since it uses less digits than its factorization.

121120100010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37789.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121120100010101 its reverse (101010001021121), we get a palindrome (222130101031222).

The spelling of 121120100010101 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred million, ten thousand, one hundred one".

Divisors: 1 23 149 617 1619 3427 14191 35381 37237 91933 241231 813763 998923 2114459 5271769 5548313 21830077 22975229 57281839 121250687 148839527 502091771 1317482297 3252681473 3423309121 8534994011 35342894663 74811673879 196304862253 812886577249 5266091304787 121120100010101