12010022111021 has 4 divisors (see below), whose sum is σ = 13101842302944. Its totient is φ = 10918201919100.

The previous prime is 12010022110979. The next prime is 12010022111077. The reversal of 12010022111021 is 12011122001021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12010022111021 - 2¹⁰ = 12010022109997 is a prime.

It is a super-2 number, since 2×12010022111021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010022110987 and 12010022111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010022111921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545910095945 + ... + 545910095966.

It is an arithmetic number, because the mean of its divisors is an integer number (3275460575736).

Almost surely, 2^{12010022111021} is an apocalyptic number.

12010022111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12010022111021 is a deficient number, since it is larger than the sum of its proper divisors (1091820191923).

12010022111021 is a wasteful number, since it uses less digits than its factorization.

12010022111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091820191922.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12010022111021 its reverse (12011122001021), we get a palindrome (24021144112042).

The spelling of 12010022111021 in words is "twelve trillion, ten billion, twenty-two million, one hundred eleven thousand, twenty-one".