11112120021011 has 16 divisors (see below), whose sum is σ = 11787086158848. Its totient is φ = 10439524099200.

The previous prime is 11112120020933. The next prime is 11112120021031. The reversal of 11112120021011 is 11012002121111.

It is a cyclic number.

It is not a de Polignac number, because 11112120021011 - 2¹⁸ = 11112119758867 is a prime.

It is a super-2 number, since 2×11112120021011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11112120021031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277901126 + ... + 277941108.

It is an arithmetic number, because the mean of its divisors is an integer number (736692884928).

Almost surely, 2^{11112120021011} is an apocalyptic number.

11112120021011 is a deficient number, since it is larger than the sum of its proper divisors (674966137837).

11112120021011 is a wasteful number, since it uses less digits than its factorization.

11112120021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69202.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112120021011 its reverse (11012002121111), we get a palindrome (22124122142122).

The spelling of 11112120021011 in words is "eleven trillion, one hundred twelve billion, one hundred twenty million, twenty-one thousand, eleven".