122100210222000 has 80 divisors (see below), whose sum is σ = 393651077775072. Its totient is φ = 32560056057600.

The previous prime is 122100210221971. The next prime is 122100210222019. The reversal of 122100210222000 is 222012001221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×122100210222000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 10175011519 + ... + 10175023518.

Almost surely, 2^{122100210222000} is an apocalyptic number.

122100210222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100210222000 is an abundant number, since it is smaller than the sum of its proper divisors (271550867553072).

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

122100210222000 is a wasteful number, since it uses less digits than its factorization.

122100210222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20350035063 (or 20350035047 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122100210222000 its reverse (222012001221), we get a palindrome (122322222223221).

The spelling of 122100210222000 in words is "one hundred twenty-two trillion, one hundred billion, two hundred ten million, two hundred twenty-two thousand".