11120121311 has 64 divisors (see below), whose sum is σ = 13602556800. Its totient is φ = 8988672000.

The previous prime is 11120121307. The next prime is 11120121323. The reversal of 11120121311 is 11312102111.

It is a cyclic number.

It is not a de Polignac number, because 11120121311 - 2² = 11120121307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120121301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26539460 + ... + 26539878.

It is an arithmetic number, because the mean of its divisors is an integer number (212539950).

Almost surely, 2^11120121311 is an apocalyptic number.

11120121311 is a deficient number, since it is larger than the sum of its proper divisors (2482435489).

11120121311 is a wasteful number, since it uses less digits than its factorization.

11120121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11120121311 its reverse (11312102111), we get a palindrome (22432223422).

The spelling of 11120121311 in words is "eleven billion, one hundred twenty million, one hundred twenty-one thousand, three hundred eleven".