122221021211000 has 32 divisors (see below), whose sum is σ = 285997189636080. Its totient is φ = 48888408484000.

The previous prime is 122221021210991. The next prime is 122221021211033. The reversal of 122221021211000 is 112120122221.

It is a self number, because there is not a number n which added to its sum of digits gives 122221021211000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61110509606 + ... + 61110511605.

Almost surely, 2^{122221021211000} is an apocalyptic number.

122221021211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221021211000 is an abundant number, since it is smaller than the sum of its proper divisors (163776168425080).

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

122221021211000 is a wasteful number, since it uses less digits than its factorization.

122221021211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122221021232 (or 122221021218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122221021211000 its reverse (112120122221), we get a palindrome (122333141333221).

The spelling of 122221021211000 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, twenty-one million, two hundred eleven thousand".