102120212210 has 32 divisors (see below), whose sum is σ = 185976724032. Its totient is φ = 40369492800.

The previous prime is 102120212197. The next prime is 102120212237. The reversal of 102120212210 is 12212021201.

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, 460049 + ... + 644891.

It is an arithmetic number, because the mean of its divisors is an integer number (5811772626).

Almost surely, 2^102120212210 is an apocalyptic number.

102120212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120212210 is a deficient number, since it is larger than the sum of its proper divisors (83856511822).

102120212210 is a wasteful number, since it uses less digits than its factorization.

102120212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185498.

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

Adding to 102120212210 its reverse (12212021201), we get a palindrome (114332233411).

The spelling of 102120212210 in words is "one hundred two billion, one hundred twenty million, two hundred twelve thousand, two hundred ten".