11122002021021 has 4 divisors (see below), whose sum is σ = 14829336028032. Its totient is φ = 7414668014012.

The previous prime is 11122002020993. The next prime is 11122002021023. The reversal of 11122002021021 is 12012020022111.

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 11122002021021 - 2¹⁴ = 11122002004637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122002021023) 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, 1853667003501 + ... + 1853667003506.

It is an arithmetic number, because the mean of its divisors is an integer number (3707334007008).

Almost surely, 2^{11122002021021} is an apocalyptic number.

It is an amenable number.

11122002021021 is a deficient number, since it is larger than the sum of its proper divisors (3707334007011).

11122002021021 is an equidigital number, since it uses as much as digits as its factorization.

11122002021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707334007010.

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

Adding to 11122002021021 its reverse (12012020022111), we get a palindrome (23134022043132).

The spelling of 11122002021021 in words is "eleven trillion, one hundred twenty-two billion, two million, twenty-one thousand, twenty-one".