102212211 has 16 divisors (see below), whose sum is σ = 149277600. Its totient is φ = 61920768.

The previous prime is 102212141. The next prime is 102212213. The reversal of 102212211 is 112212201.

It is not a de Polignac number, because 102212211 - 2¹⁷ = 102081139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102212213) 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, 33076 + ... + 36033.

It is an arithmetic number, because the mean of its divisors is an integer number (9329850).

Almost surely, 2^102212211 is an apocalyptic number.

102212211 is a deficient number, since it is larger than the sum of its proper divisors (47065389).

102212211 is a wasteful number, since it uses less digits than its factorization.

102212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69158.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 102212211 is about 10110.0054896128. The cubic root of 102212211 is about 467.5566743802.

Adding to 102212211 its reverse (112212201), we get a palindrome (214424412).

The spelling of 102212211 in words is "one hundred two million, two hundred twelve thousand, two hundred eleven".