102201022212020 has 24 divisors (see below), whose sum is σ = 214629619987104. Its totient is φ = 40878985391136.

The previous prime is 102201022212001. The next prime is 102201022212077. The reversal of 102201022212020 is 20212220102201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102201022212020.

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, 88379534 + ... + 89528453.

It is an arithmetic number, because the mean of its divisors is an integer number (8942900832796).

Almost surely, 2^{102201022212020} is an apocalyptic number.

102201022212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201022212020 is an abundant number, since it is smaller than the sum of its proper divisors (112428597775084).

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

102201022212020 is a wasteful number, since it uses less digits than its factorization.

102201022212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177936719 (or 177936717 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102201022212020 its reverse (20212220102201), we get a palindrome (122413242314221).

The spelling of 102201022212020 in words is "one hundred two trillion, two hundred one billion, twenty-two million, two hundred twelve thousand, twenty".