213111102 has 8 divisors (see below), whose sum is σ = 426222216. Its totient is φ = 71037032.

The previous prime is 213111061. The next prime is 213111131. The reversal of 213111102 is 201111312.

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

213111102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17759253 + ... + 17759264.

It is an arithmetic number, because the mean of its divisors is an integer number (53277777).

Almost surely, 2^213111102 is an apocalyptic number.

213111102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213111102 is a wasteful number, since it uses less digits than its factorization.

213111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35518522.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 213111102 is about 14598.3253149120. The cubic root of 213111102 is about 597.3130798393.

Adding to 213111102 its reverse (201111312), we get a palindrome (414222414).

The spelling of 213111102 in words is "two hundred thirteen million, one hundred eleven thousand, one hundred two".