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201120211011210 = 23517839375806213
BaseRepresentation
bin101101101110101011110010…
…101111000000011010001010
3222101002220102022021120111220
4231232223302233000122022
5202330123143004324320
61551425203251102510
760235312213644141
oct5556536257003212
9871086368246456
10201120211011210
11590a0669a17197
121a68253b8a1a36
13882b729382c8a
1437943ad420758
15183b8e908ce40
hexb6eaf2bc068a

201120211011210 has 32 divisors (see below), whose sum is σ = 482715565758720. Its totient is φ = 53629049677248.

The previous prime is 201120211011157. The next prime is 201120211011211. The reversal of 201120211011210 is 12110112021102.

It is a happy number.

It is a super-2 number, since 2×2011202110112102 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201120211011210.

It is not an unprimeable number, because it can be changed into a prime (201120211011211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187367937 + ... + 188438276.

It is an arithmetic number, because the mean of its divisors is an integer number (15084861429960).

Almost surely, 2201120211011210 is an apocalyptic number.

201120211011210 is an abundant number, since it is smaller than the sum of its proper divisors (281595354747510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201120211011210 is a wasteful number, since it uses less digits than its factorization.

201120211011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375824062.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201120211011210 its reverse (12110112021102), we get a palindrome (213230323032312).

The spelling of 201120211011210 in words is "two hundred one trillion, one hundred twenty billion, two hundred eleven million, eleven thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 17839 35678 53517 89195 107034 178390 267585 535170 375806213 751612426 1127418639 1879031065 2254837278 3758062130 5637093195 11274186390 6704007033707 13408014067414 20112021101121 33520035168535 40224042202242 67040070337070 100560105505605 201120211011210