10122011311 has 4 divisors (see below), whose sum is σ = 10128893824. Its totient is φ = 10115128800.

The previous prime is 10122011279. The next prime is 10122011323. The reversal of 10122011311 is 11311022101.

It is a happy number.

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 10122011311 - 2⁵ = 10122011279 is a prime.

It is a super-2 number, since 2×10122011311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122011291 and 10122011300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122011351) 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, 3439050 + ... + 3441991.

It is an arithmetic number, because the mean of its divisors is an integer number (2532223456).

Almost surely, 2^10122011311 is an apocalyptic number.

10122011311 is a deficient number, since it is larger than the sum of its proper divisors (6882513).

10122011311 is an equidigital number, since it uses as much as digits as its factorization.

10122011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882512.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10122011311 its reverse (11311022101), we get a palindrome (21433033412).

The spelling of 10122011311 in words is "ten billion, one hundred twenty-two million, eleven thousand, three hundred eleven".