102120202112210 has 64 divisors (see below), whose sum is σ = 195913823817600. Its totient is φ = 38214035615232.

The previous prime is 102120202112107. The next prime is 102120202112233. The reversal of 102120202112210 is 12211202021201.

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, 32185376 + ... + 35215604.

It is an arithmetic number, because the mean of its divisors is an integer number (3061153497150).

Almost surely, 2^{102120202112210} is an apocalyptic number.

102120202112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120202112210 is a deficient number, since it is larger than the sum of its proper divisors (93793621705390).

102120202112210 is a wasteful number, since it uses less digits than its factorization.

102120202112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032475.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102120202112210 its reverse (12211202021201), we get a palindrome (114331404133411).

The spelling of 102120202112210 in words is "one hundred two trillion, one hundred twenty billion, two hundred two million, one hundred twelve thousand, two hundred ten".