22001002021110 has 128 divisors (see below), whose sum is σ = 60974210119680. Its totient is φ = 4976485226496.

The previous prime is 22001002021091. The next prime is 22001002021129. The reversal of 22001002021110 is 1112020010022.

It is an interprime number because it is at equal distance from previous prime (22001002021091) and next prime (22001002021129).

It is a congruent number.

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, 30553374 + ... + 31265166.

It is an arithmetic number, because the mean of its divisors is an integer number (476361016560).

Almost surely, 2^{22001002021110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001002021110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30487105059840).

22001002021110 is an abundant number, since it is smaller than the sum of its proper divisors (38973208098570).

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

22001002021110 is a wasteful number, since it uses less digits than its factorization.

22001002021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713342.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22001002021110 its reverse (1112020010022), we get a palindrome (23113022031132).

The spelling of 22001002021110 in words is "twenty-two trillion, one billion, two million, twenty-one thousand, one hundred ten".