102221221222000 has 40 divisors (see below), whose sum is σ = 247170912919632. Its totient is φ = 40888488488000.

The previous prime is 102221221221989. The next prime is 102221221222013. The reversal of 102221221222000 is 222122122201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 25555303306 + ... + 25555307305.

Almost surely, 2^{102221221222000} is an apocalyptic number.

102221221222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221221222000 is an abundant number, since it is smaller than the sum of its proper divisors (144949691697632).

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

102221221222000 is an equidigital number, since it uses as much as digits as its factorization.

102221221222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51110610634 (or 51110610618 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102221221222000 its reverse (222122122201), we get a palindrome (102443343344201).

The spelling of 102221221222000 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-two thousand".