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112101231021 = 31310132837503
BaseRepresentation
bin110100001100111000…
…0010000100110101101
3101201100112020120110020
41220121300100212231
53314040403343041
6123255410232353
711045654512263
oct1503160204655
9351315216406
10112101231021
11435a624a07a
12198865856b9
13a756929180
1455d62b0433
152db1804866
hex1a19c109ad

112101231021 has 16 divisors (see below), whose sum is σ = 161124827136. Its totient is φ = 68917248576.

The previous prime is 112101231019. The next prime is 112101231061. The reversal of 112101231021 is 120132101211.

It is not a de Polignac number, because 112101231021 - 21 = 112101231019 is a prime.

It is a super-2 number, since 2×1121012310212 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101231061) 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, 1379245 + ... + 1458258.

It is an arithmetic number, because the mean of its divisors is an integer number (10070301696).

Almost surely, 2112101231021 is an apocalyptic number.

It is an amenable number.

112101231021 is a deficient number, since it is larger than the sum of its proper divisors (49023596115).

112101231021 is a wasteful number, since it uses less digits than its factorization.

112101231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838532.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 112101231021 its reverse (120132101211), we get a palindrome (232233332232).

The spelling of 112101231021 in words is "one hundred twelve billion, one hundred one million, two hundred thirty-one thousand, twenty-one".

Divisors: 1 3 13 39 1013 3039 13169 39507 2837503 8512509 36887539 110662617 2874390539 8623171617 37367077007 112101231021