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102212222020001 = 891148451932809
BaseRepresentation
bin10111001111011000100011…
…001011110110100110100001
3111101220101121111100000021122
4113033120203023312212201
5101344121112314120001
61001215351354102025
730346406101066562
oct2717304313664641
9441811544300248
10102212222020001
112a627a61732735
12b5694b641a915
134505756b57c82
141b35152a76169
15bc3b93beab1b
hex5cf6232f69a1

102212222020001 has 4 divisors (see below), whose sum is σ = 103360673952900. Its totient is φ = 101063770087104.

The previous prime is 102212222019977. The next prime is 102212222020021. The reversal of 102212222020001 is 100020222212201.

It is a happy number.

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 72536137744225 + 29676084275776 = 8516815^2 + 5447576^2 .

It is a cyclic number.

It is not a de Polignac number, because 102212222020001 - 26 = 102212222019937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102212222020021) 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, 574225966316 + ... + 574225966493.

It is an arithmetic number, because the mean of its divisors is an integer number (25840168488225).

Almost surely, 2102212222020001 is an apocalyptic number.

It is an amenable number.

102212222020001 is a deficient number, since it is larger than the sum of its proper divisors (1148451932899).

102212222020001 is an equidigital number, since it uses as much as digits as its factorization.

102212222020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148451932898.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102212222020001 its reverse (100020222212201), we get a palindrome (202232444232202).

The spelling of 102212222020001 in words is "one hundred two trillion, two hundred twelve billion, two hundred twenty-two million, twenty thousand, one".

Divisors: 1 89 1148451932809 102212222020001