213111113102 has 8 divisors (see below), whose sum is σ = 322495578576. Its totient is φ = 105612586912.

The previous prime is 213111113101. The next prime is 213111113177. The reversal of 213111113102 is 201311111312.

213111113102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213111113101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471484538 + ... + 471484989.

It is an arithmetic number, because the mean of its divisors is an integer number (40311947322).

Almost surely, 2^213111113102 is an apocalyptic number.

213111113102 is a deficient number, since it is larger than the sum of its proper divisors (109384465474).

213111113102 is a wasteful number, since it uses less digits than its factorization.

213111113102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942969642.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 213111113102 its reverse (201311111312), we get a palindrome (414422224414).

It can be divided in two parts, 21311111310 and 2, that added together give a palindrome (21311111312).

The spelling of 213111113102 in words is "two hundred thirteen billion, one hundred eleven million, one hundred thirteen thousand, one hundred two".