102201121021210 has 32 divisors (see below), whose sum is σ = 191642945457600. Its totient is φ = 39207375066240.

The previous prime is 102201121021177. The next prime is 102201121021273. The reversal of 102201121021210 is 12120121102201.

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, 2112442140 + ... + 2112490519.

It is an arithmetic number, because the mean of its divisors is an integer number (5988842045550).

Almost surely, 2^{102201121021210} is an apocalyptic number.

102201121021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102201121021210 is a deficient number, since it is larger than the sum of its proper divisors (89441824436390).

102201121021210 is a wasteful number, since it uses less digits than its factorization.

102201121021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224932766.

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

Adding to 102201121021210 its reverse (12120121102201), we get a palindrome (114321242123411).

The spelling of 102201121021210 in words is "one hundred two trillion, two hundred one billion, one hundred twenty-one million, twenty-one thousand, two hundred ten".