11120011021 has 16 divisors (see below), whose sum is σ = 13066679808. Its totient is φ = 9264585600.

The previous prime is 11120010991. The next prime is 11120011027. The reversal of 11120011021 is 12011002111.

It is a cyclic number.

It is not a de Polignac number, because 11120011021 - 2⁵ = 11120010989 is a prime.

It is a super-2 number, since 2×11120011021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11120010989 and 11120011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120011027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6291 + ... + 149263.

It is an arithmetic number, because the mean of its divisors is an integer number (816667488).

Almost surely, 2^11120011021 is an apocalyptic number.

It is an amenable number.

11120011021 is a deficient number, since it is larger than the sum of its proper divisors (1946668787).

11120011021 is a wasteful number, since it uses less digits than its factorization.

11120011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143292.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11120011021 its reverse (12011002111), we get a palindrome (23131013132).

It can be divided in two parts, 111200 and 11021, that added together give a palindrome (122221).

The spelling of 11120011021 in words is "eleven billion, one hundred twenty million, eleven thousand, twenty-one".