21110113103202 has 24 divisors (see below), whose sum is σ = 45741893558400. Its totient is φ = 7036194341880.

The previous prime is 21110113103129. The next prime is 21110113103231. The reversal of 21110113103202 is 20230131101112.

21110113103202 is a `hidden beast` number, since 2 + 11 + 10 + 11 + 310 + 320 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42246874 + ... + 42743637.

It is an arithmetic number, because the mean of its divisors is an integer number (1905912231600).

Almost surely, 2^{21110113103202} is an apocalyptic number.

21110113103202 is an abundant number, since it is smaller than the sum of its proper divisors (24631780455198).

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

21110113103202 is a wasteful number, since it uses less digits than its factorization.

21110113103202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85004318 (or 85004315 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 21110113103202 its reverse (20230131101112), we get a palindrome (41340244204314).

The spelling of 21110113103202 in words is "twenty-one trillion, one hundred ten billion, one hundred thirteen million, one hundred three thousand, two hundred two".