22001100111210 has 128 divisors (see below), whose sum is σ = 59212714639104. Its totient is φ = 5184799580160.

The previous prime is 22001100111209. The next prime is 22001100111217. The reversal of 22001100111210 is 1211100110022.

It is a super-2 number, since 2×22001100111210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22001100111217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12831994 + ... + 14445146.

It is an arithmetic number, because the mean of its divisors is an integer number (462599333118).

Almost surely, 2^{22001100111210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001100111210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29606357319552).

22001100111210 is an abundant number, since it is smaller than the sum of its proper divisors (37211614527894).

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

22001100111210 is a wasteful number, since it uses less digits than its factorization.

22001100111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614328.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22001100111210 its reverse (1211100110022), we get a palindrome (23212200221232).

The spelling of 22001100111210 in words is "twenty-two trillion, one billion, one hundred million, one hundred eleven thousand, two hundred ten".