12011122002021 has 32 divisors (see below), whose sum is σ = 16271716855680. Its totient is φ = 7879857030144.

The previous prime is 12011122001969. The next prime is 12011122002023. The reversal of 12011122002021 is 12020022111021.

It is not a de Polignac number, because 12011122002021 - 2²⁶ = 12011054893157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011122002023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139496235 + ... + 139582311.

It is an arithmetic number, because the mean of its divisors is an integer number (508491151740).

Almost surely, 2^{12011122002021} is an apocalyptic number.

It is an amenable number.

12011122002021 is a deficient number, since it is larger than the sum of its proper divisors (4260594853659).

12011122002021 is a wasteful number, since it uses less digits than its factorization.

12011122002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88645.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12011122002021 its reverse (12020022111021), we get a palindrome (24031144113042).

The spelling of 12011122002021 in words is "twelve trillion, eleven billion, one hundred twenty-two million, two thousand, twenty-one".