102553221401420 has 24 divisors (see below), whose sum is σ = 217956485006064. Its totient is φ = 40527056167616.

The previous prime is 102553221401419. The next prime is 102553221401441. The reversal of 102553221401420 is 24104122355201.

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, 30889522859 + ... + 30889526178.

It is an arithmetic number, because the mean of its divisors is an integer number (9081520208586).

Almost surely, 2^{102553221401420} is an apocalyptic number.

102553221401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102553221401420 is an abundant number, since it is smaller than the sum of its proper divisors (115403263604644).

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

102553221401420 is a wasteful number, since it uses less digits than its factorization.

102553221401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61779049129 (or 61779049127 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 102553221401420 its reverse (24104122355201), we get a palindrome (126657343756621).

The spelling of 102553221401420 in words is "one hundred two trillion, five hundred fifty-three billion, two hundred twenty-one million, four hundred one thousand, four hundred twenty".