102121220010200 has 24 divisors (see below), whose sum is σ = 237431836524180. Its totient is φ = 40848488004000.

The previous prime is 102121220010181. The next prime is 102121220010221. The reversal of 102121220010200 is 2010022121201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255303049826 + ... + 255303050225.

Almost surely, 2^{102121220010200} is an apocalyptic number.

102121220010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102121220010200 is an abundant number, since it is smaller than the sum of its proper divisors (135310616513980).

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

102121220010200 is a wasteful number, since it uses less digits than its factorization.

102121220010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510606100067 (or 510606100058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102121220010200 its reverse (2010022121201), we get a palindrome (104131242131401).

The spelling of 102121220010200 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred twenty million, ten thousand, two hundred".