102211112211 has 16 divisors (see below), whose sum is σ = 146814979584. Its totient is φ = 62877586464.

The previous prime is 102211112191. The next prime is 102211112287. The reversal of 102211112211 is 112211112201.

It is a happy number.

It is not a de Polignac number, because 102211112211 - 2⁷ = 102211112083 is a prime.

It is a super-2 number, since 2×102211112211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102211112291) 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, 333541 + ... + 561846.

It is an arithmetic number, because the mean of its divisors is an integer number (9175936224).

Almost surely, 2^102211112211 is an apocalyptic number.

102211112211 is a deficient number, since it is larger than the sum of its proper divisors (44603867373).

102211112211 is a wasteful number, since it uses less digits than its factorization.

102211112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898330.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102211112211 its reverse (112211112201), we get a palindrome (214422224412).

The spelling of 102211112211 in words is "one hundred two billion, two hundred eleven million, one hundred twelve thousand, two hundred eleven".