102021200120210 has 64 divisors (see below), whose sum is σ = 211091463072000. Its totient is φ = 34775495638272.

The previous prime is 102021200120137. The next prime is 102021200120243. The reversal of 102021200120210 is 12021002120201.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 500028896 + ... + 500232884.

It is an arithmetic number, because the mean of its divisors is an integer number (3298304110500).

Almost surely, 2^{102021200120210} is an apocalyptic number.

102021200120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021200120210 is an abundant number, since it is smaller than the sum of its proper divisors (109070262951790).

102021200120210 is a wasteful number, since it uses less digits than its factorization.

102021200120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245475.

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

Adding to 102021200120210 its reverse (12021002120201), we get a palindrome (114042202240411).

The spelling of 102021200120210 in words is "one hundred two trillion, twenty-one billion, two hundred million, one hundred twenty thousand, two hundred ten".