102212222211 has 12 divisors (see below), whose sum is σ = 161061683640. Its totient is φ = 61946801280.

The previous prime is 102212222207. The next prime is 102212222213. The reversal of 102212222211 is 112222212201.

It is a happy number.

102212222211 is a `hidden beast` number, since 1 + 0 + 221 + 222 + 221 + 1 = 666.

It is not a de Polignac number, because 102212222211 - 2² = 102212222207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102212222213) 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 11 ways as a sum of consecutive naturals, for example, 516223246 + ... + 516223443.

It is an arithmetic number, because the mean of its divisors is an integer number (13421806970).

Almost surely, 2^102212222211 is an apocalyptic number.

102212222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102212222211 is a deficient number, since it is larger than the sum of its proper divisors (58849461429).

102212222211 is a wasteful number, since it uses less digits than its factorization.

102212222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032446706 (or 1032446703 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102212222211 its reverse (112222212201), we get a palindrome (214434434412).

It can be divided in two parts, 102212 and 222211, that added together give a palindrome (324423).

The spelling of 102212222211 in words is "one hundred two billion, two hundred twelve million, two hundred twenty-two thousand, two hundred eleven".