102111020120210 has 32 divisors (see below), whose sum is σ = 185629334001984. Its totient is φ = 40437895240000.

The previous prime is 102111020120209. The next prime is 102111020120233. The reversal of 102111020120210 is 12021020111201.

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, 16771805 + ... + 22034415.

It is an arithmetic number, because the mean of its divisors is an integer number (5800916687562).

Almost surely, 2^{102111020120210} is an apocalyptic number.

102111020120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111020120210 is a deficient number, since it is larger than the sum of its proper divisors (83518313881774).

102111020120210 is a wasteful number, since it uses less digits than its factorization.

102111020120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281930.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102111020120210 its reverse (12021020111201), we get a palindrome (114132040231411).

Subtracting from 102111020120210 its reverse (12021020111201), we obtain a palindrome (90090000009009).

The spelling of 102111020120210 in words is "one hundred two trillion, one hundred eleven billion, twenty million, one hundred twenty thousand, two hundred ten".