102311133122011 has 4 divisors (see below), whose sum is σ = 111612145224024. Its totient is φ = 93010121020000.

The previous prime is 102311133121969. The next prime is 102311133122027. The reversal of 102311133122011 is 110221331113201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102311133122011 - 2²³ = 102311124733403 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102311133122041) 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, 4650506050990 + ... + 4650506051011.

It is an arithmetic number, because the mean of its divisors is an integer number (27903036306006).

Almost surely, 2^{102311133122011} is an apocalyptic number.

102311133122011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102311133122011 is a deficient number, since it is larger than the sum of its proper divisors (9301012102013).

102311133122011 is an equidigital number, since it uses as much as digits as its factorization.

102311133122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301012102012.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 102311133122011 its reverse (110221331113201), we get a palindrome (212532464235212).

The spelling of 102311133122011 in words is "one hundred two trillion, three hundred eleven billion, one hundred thirty-three million, one hundred twenty-two thousand, eleven".