212052111 has 16 divisors (see below), whose sum is σ = 295384320. Its totient is φ = 135058880.

The previous prime is 212052107. The next prime is 212052133. The reversal of 212052111 is 111250212.

212052111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212052111 - 2² = 212052107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212052161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85651 + ... + 88091.

It is an arithmetic number, because the mean of its divisors is an integer number (18461520).

Almost surely, 2^212052111 is an apocalyptic number.

212052111 is a deficient number, since it is larger than the sum of its proper divisors (83332209).

212052111 is a wasteful number, since it uses less digits than its factorization.

212052111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 212052111 is about 14562.0091676939. The cubic root of 212052111 is about 596.3220477349.

The spelling of 212052111 in words is "two hundred twelve million, fifty-two thousand, one hundred eleven".