22100021001010 has 16 divisors (see below), whose sum is σ = 41151763243800. Its totient is φ = 8535180524416.

The previous prime is 22100021000957. The next prime is 22100021001011. The reversal of 22100021001010 is 1010012000122.

It can be written as a sum of positive squares in 4 ways, for example, as 21575458313721 + 524562687289 = 4644939^2 + 724267^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22100021001011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38103484195 + ... + 38103484774.

Almost surely, 2^{22100021001010} is an apocalyptic number.

22100021001010 is a deficient number, since it is larger than the sum of its proper divisors (19051742242790).

22100021001010 is a wasteful number, since it uses less digits than its factorization.

22100021001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76206969005.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22100021001010 its reverse (1010012000122), we get a palindrome (23110033001132).

The spelling of 22100021001010 in words is "twenty-two trillion, one hundred billion, twenty-one million, one thousand, ten".