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112021112021 = 71310112319901
BaseRepresentation
bin110100001010011111…
…0101000010011010101
3101201010221111002211212
41220110332220103111
53313404401041041
6123243425111205
711043662512220
oct1502476502325
9351127432755
10112021112021
1143564aa7525
1219863788505
13a743156890
1455c97b65b7
152da977a8eb
hex1a14fa84d5

112021112021 has 32 divisors (see below), whose sum is σ = 139364391936. Its totient is φ = 87674400000.

The previous prime is 112021111949. The next prime is 112021112041. The reversal of 112021112021 is 120211120211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112021112021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112021111987 and 112021112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021112041) 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, 11309171 + ... + 11319071.

It is an arithmetic number, because the mean of its divisors is an integer number (4355137248).

Almost surely, 2112021112021 is an apocalyptic number.

It is an amenable number.

112021112021 is a deficient number, since it is larger than the sum of its proper divisors (27343279915).

112021112021 is a wasteful number, since it uses less digits than its factorization.

112021112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11253.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112021112021 its reverse (120211120211), we get a palindrome (232232232232).

The spelling of 112021112021 in words is "one hundred twelve billion, twenty-one million, one hundred twelve thousand, twenty-one".

Divisors: 1 7 13 91 101 707 1231 1313 8617 9191 9901 16003 69307 112021 124331 128713 870317 900991 1000001 1616303 7000007 11314121 12188131 13000013 85316917 91000091 158445703 1109119921 1231001231 8617008617 16003016003 112021112021