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112121211102 = 231071391256429
BaseRepresentation
bin110100001101011110…
…0011110100011011110
3101201101220211122222020
41220122330132203132
53314111012223402
6123301402401010
711046316366245
oct1503274364336
9351356748866
10112121211102
114360655643a
1219891200166
13a75ab034c4
1455d8bd195c
152db344e8bc
hex1a1af1e8de

112121211102 has 32 divisors (see below), whose sum is σ = 227966659200. Its totient is φ = 36758057568.

The previous prime is 112121210959. The next prime is 112121211113. The reversal of 112121211102 is 201112121211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538977 + ... + 717452.

It is an arithmetic number, because the mean of its divisors is an integer number (7123958100).

Almost surely, 2112121211102 is an apocalyptic number.

112121211102 is an abundant number, since it is smaller than the sum of its proper divisors (115845448098).

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

112121211102 is a wasteful number, since it uses less digits than its factorization.

112121211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256680.

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

Adding to 112121211102 its reverse (201112121211), we get a palindrome (313233332313).

The spelling of 112121211102 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, one hundred two".

Divisors: 1 2 3 6 107 139 214 278 321 417 642 834 14873 29746 44619 89238 1256429 2512858 3769287 7538574 134437903 174643631 268875806 349287262 403313709 523930893 806627418 1047861786 18686868517 37373737034 56060605551 112121211102