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102022110011021 = 300893390677989
BaseRepresentation
bin10111001100100111011111…
…101000000101111010001101
3111101020012220021001022110212
4113030213133220011322031
5101333012240130323041
61000552151010012205
730326565664504664
oct2714473750057215
9441205807038425
10102022110011021
112a564374432542
12b53869a277065
1344c084a269675
141b29c79cbbddb
15bbdc688ab8eb
hex5cc9dfa05e8d

102022110011021 has 4 divisors (see below), whose sum is σ = 102025500719100. Its totient is φ = 102018719302944.

The previous prime is 102022110010993. The next prime is 102022110011033. The reversal of 102022110011021 is 120110011220201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45096744898921 + 56925365112100 = 6715411^2 + 7544890^2 .

It is a cyclic number.

It is not a de Polignac number, because 102022110011021 - 218 = 102022109748877 is a prime.

It is a super-2 number, since 2×1020221100110212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102022110010987 and 102022110011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022110011321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695308906 + ... + 1695369083.

It is an arithmetic number, because the mean of its divisors is an integer number (25506375179775).

Almost surely, 2102022110011021 is an apocalyptic number.

It is an amenable number.

102022110011021 is a deficient number, since it is larger than the sum of its proper divisors (3390708079).

102022110011021 is an equidigital number, since it uses as much as digits as its factorization.

102022110011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390708078.

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

Adding to 102022110011021 its reverse (120110011220201), we get a palindrome (222132121231222).

The spelling of 102022110011021 in words is "one hundred two trillion, twenty-two billion, one hundred ten million, eleven thousand, twenty-one".

Divisors: 1 30089 3390677989 102022110011021