102111021122210 has 32 divisors (see below), whose sum is σ = 193474148797440. Its totient is φ = 38694575722752.

The previous prime is 102111021122197. The next prime is 102111021122263. The reversal of 102111021122210 is 12221120111201.

It is a Curzon number.

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, 73705727 + ... + 75078333.

It is an arithmetic number, because the mean of its divisors is an integer number (6046067149920).

Almost surely, 2^{102111021122210} is an apocalyptic number.

102111021122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111021122210 is a deficient number, since it is larger than the sum of its proper divisors (91363127675230).

102111021122210 is a wasteful number, since it uses less digits than its factorization.

102111021122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764170.

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

Adding to 102111021122210 its reverse (12221120111201), we get a palindrome (114332141233411).

The spelling of 102111021122210 in words is "one hundred two trillion, one hundred eleven billion, twenty-one million, one hundred twenty-two thousand, two hundred ten".