102220012101020 has 48 divisors (see below), whose sum is σ = 234178877713536. Its totient is φ = 37170576552000.

The previous prime is 102220012100989. The next prime is 102220012101089. The reversal of 102220012101020 is 20101210022201.

It is a junction number, because it is equal to n+sod(n) for n = 102220012100986 and 102220012101004.

It is a congruent 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, 22892435 + ... + 26990805.

It is an arithmetic number, because the mean of its divisors is an integer number (4878726619032).

Almost surely, 2^{102220012101020} is an apocalyptic number.

102220012101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220012101020 is an abundant number, since it is smaller than the sum of its proper divisors (131958865612516).

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

102220012101020 is a wasteful number, since it uses less digits than its factorization.

102220012101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211762 (or 4211760 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102220012101020 its reverse (20101210022201), we get a palindrome (122321222123221).

The spelling of 102220012101020 in words is "one hundred two trillion, two hundred twenty billion, twelve million, one hundred one thousand, twenty".