22100221022010 has 128 divisors (see below), whose sum is σ = 56054937600000. Its totient is φ = 5565036102912.

The previous prime is 22100221021937. The next prime is 22100221022021. The reversal of 22100221022010 is 1022012200122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 468707916 + ... + 468755064.

It is an arithmetic number, because the mean of its divisors is an integer number (437929200000).

Almost surely, 2^{22100221022010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22100221022010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28027468800000).

22100221022010 is an abundant number, since it is smaller than the sum of its proper divisors (33954716577990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22100221022010 is a wasteful number, since it uses less digits than its factorization.

22100221022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55860.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22100221022010 its reverse (1022012200122), we get a palindrome (23122233222132).

The spelling of 22100221022010 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, twenty-two thousand, ten".