22100105254065 has 16 divisors (see below), whose sum is σ = 35361259101888. Its totient is φ = 11786359237056.

The previous prime is 22100105254057. The next prime is 22100105254093. The reversal of 22100105254065 is 56045250100122.

It is not a de Polignac number, because 22100105254065 - 2³ = 22100105254057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22219954 + ... + 23193243.

It is an arithmetic number, because the mean of its divisors is an integer number (2210078693868).

Almost surely, 2^{22100105254065} is an apocalyptic number.

It is an amenable number.

22100105254065 is a deficient number, since it is larger than the sum of its proper divisors (13261153847823).

22100105254065 is a wasteful number, since it uses less digits than its factorization.

22100105254065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45445648.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 22100105254065 its reverse (56045250100122), we get a palindrome (78145355354187).

The spelling of 22100105254065 in words is "twenty-two trillion, one hundred billion, one hundred five million, two hundred fifty-four thousand, sixty-five".