11122112011021 has 8 divisors (see below), whose sum is σ = 12133244051424. Its totient is φ = 10110985128720.

The previous prime is 11122112010979. The next prime is 11122112011037. The reversal of 11122112011021 is 12011021122111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11122112011021 - 2⁹ = 11122112010509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122112010986 and 11122112011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122112011081) 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 7 ways as a sum of consecutive naturals, for example, 4255815 + ... + 6352651.

It is an arithmetic number, because the mean of its divisors is an integer number (1516655506428).

Almost surely, 2^{11122112011021} is an apocalyptic number.

11122112011021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11122112011021 is a deficient number, since it is larger than the sum of its proper divisors (1011132040403).

11122112011021 is a wasteful number, since it uses less digits than its factorization.

11122112011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579051.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11122112011021 its reverse (12011021122111), we get a palindrome (23133133133132).

The spelling of 11122112011021 in words is "eleven trillion, one hundred twenty-two billion, one hundred twelve million, eleven thousand, twenty-one".