102221221002000 has 160 divisors (see below), whose sum is σ = 340192224113664. Its totient is φ = 26379669888000.

The previous prime is 102221221001981. The next prime is 102221221002011. The reversal of 102221221002000 is 200122122201.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 274602229 + ... + 274974228.

Almost surely, 2^{102221221002000} is an apocalyptic number.

102221221002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221221002000 is an abundant number, since it is smaller than the sum of its proper divisors (237971003111664).

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

102221221002000 is a wasteful number, since it uses less digits than its factorization.

102221221002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549576514 (or 549576498 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102221221002000 its reverse (200122122201), we get a palindrome (102421343124201).

The spelling of 102221221002000 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-one million, two thousand".