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102022011011021 = 791291417860899
BaseRepresentation
bin10111001100100111011001…
…101110011011111111001101
3111101020012122100202121000012
4113030213121232123333031
5101333012034304323041
61000552133112043005
730326563353146153
oct2714473156337715
9441205570677005
10102022011011021
112a564323564362
12b538671093465
1344c08328b609a
141b29c6aaab3d3
15bbdc5ed533eb
hex5cc9d9b9bfcd

102022011011021 has 4 divisors (see below), whose sum is σ = 103313428872000. Its totient is φ = 100730593150044.

The previous prime is 102022011010963. The next prime is 102022011011023. The reversal of 102022011011021 is 120110110220201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102022011011021 - 230 = 102020937269197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102022011010987 and 102022011011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022011011023) 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, 645708930371 + ... + 645708930528.

It is an arithmetic number, because the mean of its divisors is an integer number (25828357218000).

Almost surely, 2102022011011021 is an apocalyptic number.

It is an amenable number.

102022011011021 is a deficient number, since it is larger than the sum of its proper divisors (1291417860979).

102022011011021 is an equidigital number, since it uses as much as digits as its factorization.

102022011011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291417860978.

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

Adding to 102022011011021 its reverse (120110110220201), we get a palindrome (222132121231222).

The spelling of 102022011011021 in words is "one hundred two trillion, twenty-two billion, eleven million, eleven thousand, twenty-one".

Divisors: 1 79 1291417860899 102022011011021