102221122111010 has 64 divisors (see below), whose sum is σ = 220155503904000. Its totient is φ = 33431020852992.

The previous prime is 102221122111001. The next prime is 102221122111079. The reversal of 102221122111010 is 10111221122201.

It is a self number, because there is not a number n which added to its sum of digits gives 102221122111010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303176285 + ... + 303513264.

It is an arithmetic number, because the mean of its divisors is an integer number (3439929748500).

Almost surely, 2^{102221122111010} is an apocalyptic number.

102221122111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221122111010 is an abundant number, since it is smaller than the sum of its proper divisors (117934381792990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102221122111010 is a wasteful number, since it uses less digits than its factorization.

102221122111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606689675.

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

Adding to 102221122111010 its reverse (10111221122201), we get a palindrome (112332343233211).

The spelling of 102221122111010 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred eleven thousand, ten".