11122012000021 has 8 divisors (see below), whose sum is σ = 12010915042560. Its totient is φ = 10237875194352.

The previous prime is 11122012000019. The next prime is 11122012000037. The reversal of 11122012000021 is 12000021022111.

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

It is not a de Polignac number, because 11122012000021 - 2¹ = 11122012000019 is a prime.

It is a super-2 number, since 2×11122012000021² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122011999965 and 11122012000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122012000081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191554365 + ... + 1191563698.

It is an arithmetic number, because the mean of its divisors is an integer number (1501364380320).

Almost surely, 2^{11122012000021} is an apocalyptic number.

It is an amenable number.

11122012000021 is a deficient number, since it is larger than the sum of its proper divisors (888903042539).

11122012000021 is a wasteful number, since it uses less digits than its factorization.

11122012000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383118435.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11122012000021 its reverse (12000021022111), we get a palindrome (23122033022132).

The spelling of 11122012000021 in words is "eleven trillion, one hundred twenty-two billion, twelve million, twenty-one", and thus it is an aban number.