102021211111204 has 48 divisors (see below), whose sum is σ = 222592515618816. Its totient is φ = 39748384116000.

The previous prime is 102021211111151. The next prime is 102021211111213. The reversal of 102021211111204 is 402111112120201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152172027 + ... + 152840989.

It is an arithmetic number, because the mean of its divisors is an integer number (4637344075392).

Almost surely, 2^{102021211111204} is an apocalyptic number.

102021211111204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102021211111204 is an abundant number, since it is smaller than the sum of its proper divisors (120571304507612).

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

102021211111204 is a wasteful number, since it uses less digits than its factorization.

102021211111204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164136 (or 1164134 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102021211111204 its reverse (402111112120201), we get a palindrome (504132323231405).

The spelling of 102021211111204 in words is "one hundred two trillion, twenty-one billion, two hundred eleven million, one hundred eleven thousand, two hundred four".