102201021121210 has 32 divisors (see below), whose sum is σ = 203103540787392. Its totient is φ = 36716248548480.

The previous prime is 102201021121207. The next prime is 102201021121253. The reversal of 102201021121210 is 12121120102201.

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, 5596979979 + ... + 5596998238.

It is an arithmetic number, because the mean of its divisors is an integer number (6346985649606).

Almost surely, 2^{102201021121210} is an apocalyptic number.

102201021121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102201021121210 is a deficient number, since it is larger than the sum of its proper divisors (100902519666182).

102201021121210 is a wasteful number, since it uses less digits than its factorization.

102201021121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11193978318.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102201021121210 its reverse (12121120102201), we get a palindrome (114322141223411).

The spelling of 102201021121210 in words is "one hundred two trillion, two hundred one billion, twenty-one million, one hundred twenty-one thousand, two hundred ten".