102121120210010 has 64 divisors (see below), whose sum is σ = 203548697380224. Its totient is φ = 36575849376000.

The previous prime is 102121120210007. The next prime is 102121120210079. The reversal of 102121120210010 is 10012021121201.

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, 54898160 + ... + 56727860.

It is an arithmetic number, because the mean of its divisors is an integer number (3180448396566).

Almost surely, 2^{102121120210010} is an apocalyptic number.

102121120210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121120210010 is a deficient number, since it is larger than the sum of its proper divisors (101427577170214).

102121120210010 is a wasteful number, since it uses less digits than its factorization.

102121120210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837359.

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

Adding to 102121120210010 its reverse (10012021121201), we get a palindrome (112133141331211).

The spelling of 102121120210010 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred ten thousand, ten".