102121020220000 has 60 divisors (see below), whose sum is σ = 251233027943436. Its totient is φ = 40848408080000.

The previous prime is 102121020219943. The next prime is 102121020220171. The reversal of 102121020220000 is 22020121201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2553005506 + ... + 2553045505.

Almost surely, 2^{102121020220000} is an apocalyptic number.

102121020220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102121020220000 is an abundant number, since it is smaller than the sum of its proper divisors (149112007723436).

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

102121020220000 is an frugal number, since it uses more digits than its factorization.

102121020220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106051041 (or 5106051018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102121020220000 its reverse (22020121201), we get a palindrome (102143040341201).

The spelling of 102121020220000 in words is "one hundred two trillion, one hundred twenty-one billion, twenty million, two hundred twenty thousand".