120022121000 has 64 divisors (see below), whose sum is σ = 280904232960. Its totient is φ = 47999880000.

The previous prime is 120022120991. The next prime is 120022121027. The reversal of 120022121000 is 121220021.

It is a happy 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, 8824205 + ... + 8837795.

It is an arithmetic number, because the mean of its divisors is an integer number (4389128640).

Almost surely, 2^120022121000 is an apocalyptic number.

120022121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120022121000 is an abundant number, since it is smaller than the sum of its proper divisors (160882111960).

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

120022121000 is a wasteful number, since it uses less digits than its factorization.

120022121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22443 (or 22429 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120022121000 its reverse (121220021), we get a palindrome (120143341021).

It can be divided in two parts, 1200221 and 21000, that added together give a palindrome (1221221).

The spelling of 120022121000 in words is "one hundred twenty billion, twenty-two million, one hundred twenty-one thousand".