102221212121110 has 16 divisors (see below), whose sum is σ = 184932182744496. Its totient is φ = 40680929087008.

The previous prime is 102221212121029. The next prime is 102221212121141. The reversal of 102221212121110 is 11121212122201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25944468112 + ... + 25944472051.

It is an arithmetic number, because the mean of its divisors is an integer number (11558261421531).

Almost surely, 2^{102221212121110} is an apocalyptic number.

102221212121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221212121110 is a deficient number, since it is larger than the sum of its proper divisors (82710970623386).

102221212121110 is a wasteful number, since it uses less digits than its factorization.

102221212121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51888940367.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102221212121110 its reverse (11121212122201), we get a palindrome (113342424243311).

The spelling of 102221212121110 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twelve million, one hundred twenty-one thousand, one hundred ten".