212210102111 has 16 divisors (see below), whose sum is σ = 256901621760. Its totient is φ = 171121660800.

The previous prime is 212210102107. The next prime is 212210102161. The reversal of 212210102111 is 111201012212.

It is a cyclic number.

It is not a de Polignac number, because 212210102111 - 2² = 212210102107 is a prime.

It is a super-2 number, since 2×212210102111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210102101) 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, 99491 + ... + 659028.

It is an arithmetic number, because the mean of its divisors is an integer number (16056351360).

Almost surely, 2^212210102111 is an apocalyptic number.

212210102111 is a deficient number, since it is larger than the sum of its proper divisors (44691519649).

212210102111 is a wasteful number, since it uses less digits than its factorization.

212210102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760894.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212210102111 its reverse (111201012212), we get a palindrome (323411114323).

The spelling of 212210102111 in words is "two hundred twelve billion, two hundred ten million, one hundred two thousand, one hundred eleven".