102202121000 has 128 divisors (see below), whose sum is σ = 287703187200. Its totient is φ = 33196435200.

The previous prime is 102202120967. The next prime is 102202121023. The reversal of 102202121000 is 121202201.

It is a happy 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, 251219 + ... + 517218.

It is an arithmetic number, because the mean of its divisors is an integer number (2247681150).

Almost surely, 2^102202121000 is an apocalyptic number.

102202121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202121000 is an abundant number, since it is smaller than the sum of its proper divisors (185501066200).

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

102202121000 is a wasteful number, since it uses less digits than its factorization.

102202121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768484 (or 768470 counting only the distinct ones).

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

Adding to 102202121000 its reverse (121202201), we get a palindrome (102323323201).

The spelling of 102202121000 in words is "one hundred two billion, two hundred two million, one hundred twenty-one thousand".