102211022311 has 4 divisors (see below), whose sum is σ = 103504832800. Its totient is φ = 100917211824.

The previous prime is 102211022191. The next prime is 102211022351. The reversal of 102211022311 is 113220112201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113220112201 = 7 ⋅16174301743.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102211022311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211022351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646905126 + ... + 646905283.

It is an arithmetic number, because the mean of its divisors is an integer number (25876208200).

Almost surely, 2^102211022311 is an apocalyptic number.

102211022311 is a deficient number, since it is larger than the sum of its proper divisors (1293810489).

102211022311 is an equidigital number, since it uses as much as digits as its factorization.

102211022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293810488.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102211022311 its reverse (113220112201), we get a palindrome (215431134512).

The spelling of 102211022311 in words is "one hundred two billion, two hundred eleven million, twenty-two thousand, three hundred eleven".