22001012211000 has 128 divisors (see below), whose sum is σ = 68645437623360. Its totient is φ = 5866741760000.

The previous prime is 22001012210993. The next prime is 22001012211029. The reversal of 22001012211000 is 11221010022.

It is a super-2 number, since 2×22001012211000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105498832 + ... + 105707168.

Almost surely, 2^{22001012211000} is an apocalyptic number.

22001012211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001012211000 is an abundant number, since it is smaller than the sum of its proper divisors (46644425412360).

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

22001012211000 is a wasteful number, since it uses less digits than its factorization.

22001012211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243562 (or 243548 counting only the distinct ones).

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

Adding to 22001012211000 its reverse (11221010022), we get a palindrome (22012233221022).

The spelling of 22001012211000 in words is "twenty-two trillion, one billion, twelve million, two hundred eleven thousand".