102220232311 has 4 divisors (see below), whose sum is σ = 102228404832. Its totient is φ = 102212059792.

The previous prime is 102220232299. The next prime is 102220232329. The reversal of 102220232311 is 113232022201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113232022201 = 2099 ⋅53945699.

It is a cyclic number.

It is not a de Polignac number, because 102220232311 - 2³¹ = 100072748663 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 (102220232111) 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, 4067470 + ... + 4092523.

It is an arithmetic number, because the mean of its divisors is an integer number (25557101208).

Almost surely, 2^102220232311 is an apocalyptic number.

102220232311 is a deficient number, since it is larger than the sum of its proper divisors (8172521).

102220232311 is an equidigital number, since it uses as much as digits as its factorization.

102220232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8172520.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102220232311 its reverse (113232022201), we get a palindrome (215452254512).

The spelling of 102220232311 in words is "one hundred two billion, two hundred twenty million, two hundred thirty-two thousand, three hundred eleven".