102201001021120 has 56 divisors (see below), whose sum is σ = 243370610895600. Its totient is φ = 40879648330752.

The previous prime is 102201001021001. The next prime is 102201001021127. The reversal of 102201001021120 is 21120100102201.

It is a self number, because there is not a number n which added to its sum of digits gives 102201001021120.

It is not an unprimeable number, because it can be changed into a prime (102201001021127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14647711 + ... + 20468449.

Almost surely, 2^{102201001021120} is an apocalyptic number.

102201001021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201001021120 is an abundant number, since it is smaller than the sum of its proper divisors (141169609874480).

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

102201001021120 is an equidigital number, since it uses as much as digits as its factorization.

102201001021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875625 (or 5875615 counting only the distinct ones).

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

Adding to 102201001021120 its reverse (21120100102201), we get a palindrome (123321101123321).

The spelling of 102201001021120 in words is "one hundred two trillion, two hundred one billion, one million, twenty-one thousand, one hundred twenty".