102201011012020 has 96 divisors (see below), whose sum is σ = 229297240972800. Its totient is φ = 38149546748544.

The previous prime is 102201011011969. The next prime is 102201011012033. The reversal of 102201011012020 is 20210110102201.

It is a congruent number.

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, 1406857819 + ... + 1406930461.

It is an arithmetic number, because the mean of its divisors is an integer number (2388512926800).

Almost surely, 2^{102201011012020} is an apocalyptic number.

102201011012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102201011012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114648620486400).

102201011012020 is an abundant number, since it is smaller than the sum of its proper divisors (127096229960780).

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

102201011012020 is a wasteful number, since it uses less digits than its factorization.

102201011012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127997 (or 127995 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102201011012020 its reverse (20210110102201), we get a palindrome (122411121114221).

The spelling of 102201011012020 in words is "one hundred two trillion, two hundred one billion, eleven million, twelve thousand, twenty".