21113222203102 has 16 divisors (see below), whose sum is σ = 32414345132400. Its totient is φ = 10308561766272.

The previous prime is 21113222203093. The next prime is 21113222203109. The reversal of 21113222203102 is 20130222231112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113222203109) 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, 29968233 + ... + 30664660.

It is an arithmetic number, because the mean of its divisors is an integer number (2025896570775).

Almost surely, 2^{21113222203102} is an apocalyptic number.

21113222203102 is a deficient number, since it is larger than the sum of its proper divisors (11301122929298).

21113222203102 is a wasteful number, since it uses less digits than its factorization.

21113222203102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60636987.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21113222203102 its reverse (20130222231112), we get a palindrome (41243444434214).

The spelling of 21113222203102 in words is "twenty-one trillion, one hundred thirteen billion, two hundred twenty-two million, two hundred three thousand, one hundred two".