102101210220202 has 16 divisors (see below), whose sum is σ = 154997432523360. Its totient is φ = 50435402669712.

The previous prime is 102101210220101. The next prime is 102101210220223. The reversal of 102101210220202 is 202022012101201.

It is a happy 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, 94808824 + ... + 95879692.

It is an arithmetic number, because the mean of its divisors is an integer number (9687339532710).

Almost surely, 2^{102101210220202} is an apocalyptic number.

102101210220202 is a deficient number, since it is larger than the sum of its proper divisors (52896222303158).

102101210220202 is a wasteful number, since it uses less digits than its factorization.

102101210220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645317.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102101210220202 its reverse (202022012101201), we get a palindrome (304123222321403).

The spelling of 102101210220202 in words is "one hundred two trillion, one hundred one billion, two hundred ten million, two hundred twenty thousand, two hundred two".