102220111211210 has 16 divisors (see below), whose sum is σ = 184799677041000. Its totient is φ = 40709494070976.

The previous prime is 102220111211201. The next prime is 102220111211263. The reversal of 102220111211210 is 12112111022201.

It can be written as a sum of positive squares in 4 ways, for example, as 81450462550081 + 20769648661129 = 9024991^2 + 4557373^2 .

It is a super-2 number, since 2×102220111211210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22318799285 + ... + 22318803864.

Almost surely, 2^{102220111211210} is an apocalyptic number.

102220111211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102220111211210 is a deficient number, since it is larger than the sum of its proper divisors (82579565829790).

102220111211210 is a wasteful number, since it uses less digits than its factorization.

102220111211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44637603385.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102220111211210 its reverse (12112111022201), we get a palindrome (114332222233411).

The spelling of 102220111211210 in words is "one hundred two trillion, two hundred twenty billion, one hundred eleven million, two hundred eleven thousand, two hundred ten".