22000121011000 has 64 divisors (see below), whose sum is σ = 56160308936160. Its totient is φ = 8000044000000.

The previous prime is 22000121010983. The next prime is 22000121011123. The reversal of 22000121011000 is 11012100022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999994501 + ... + 1000016500.

Almost surely, 2^{22000121011000} is an apocalyptic number.

22000121011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000121011000 is an abundant number, since it is smaller than the sum of its proper divisors (34160187925160).

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

22000121011000 is a wasteful number, since it uses less digits than its factorization.

22000121011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000011033 (or 2000011019 counting only the distinct ones).

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

Adding to 22000121011000 its reverse (11012100022), we get a palindrome (22011133111022).

The spelling of 22000121011000 in words is "twenty-two trillion, one hundred twenty-one million, eleven thousand".