102121102010210 has 16 divisors (see below), whose sum is σ = 183818156112000. Its totient is φ = 40848402472176.

The previous prime is 102121102010209. The next prime is 102121102010243. The reversal of 102121102010210 is 12010201121201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8032151 + ... + 16393829.

It is an arithmetic number, because the mean of its divisors is an integer number (11488634757000).

Almost surely, 2^{102121102010210} is an apocalyptic number.

102121102010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121102010210 is a deficient number, since it is larger than the sum of its proper divisors (81697054101790).

102121102010210 is a wasteful number, since it uses less digits than its factorization.

102121102010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9582985.

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

Adding to 102121102010210 its reverse (12010201121201), we get a palindrome (114131303131411).

The spelling of 102121102010210 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred two million, ten thousand, two hundred ten".