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101120112021 = 3194021441193
BaseRepresentation
bin101111000101100111…
…0100111010110010101
3100200000020022221002010
41132023032213112111
53124043222041041
6114242014534433
710206564525135
oct1361316472625
9320006287063
10101120112021
1139980737915
1217720b07419
1396c68b2816
144c73b16ac5
15296c744a16
hex178b3a7595

101120112021 has 16 divisors (see below), whose sum is σ = 141958581440. Its totient is φ = 63849306240.

The previous prime is 101120112019. The next prime is 101120112043. The reversal of 101120112021 is 120211021101.

It is not a de Polignac number, because 101120112021 - 21 = 101120112019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101120111988 and 101120112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120112061) 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, 8601 + ... + 449793.

It is an arithmetic number, because the mean of its divisors is an integer number (8872411340).

Almost surely, 2101120112021 is an apocalyptic number.

It is an amenable number.

101120112021 is a deficient number, since it is larger than the sum of its proper divisors (40838469419).

101120112021 is a wasteful number, since it uses less digits than its factorization.

101120112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445236.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101120112021 its reverse (120211021101), we get a palindrome (221331133122).

The spelling of 101120112021 in words is "one hundred one billion, one hundred twenty million, one hundred twelve thousand, twenty-one".

Divisors: 1 3 19 57 4021 12063 76399 229197 441193 1323579 8382667 25148001 1774037053 5322111159 33706704007 101120112021