1122022020021 has 32 divisors (see below), whose sum is σ = 1745117291520. Its totient is φ = 628026554496.

The previous prime is 1122022019977. The next prime is 1122022020023. The reversal of 1122022020021 is 1200202202211.

It is not a de Polignac number, because 1122022020021 - 2¹⁴ = 1122022003637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122022020023) 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, 2605311 + ... + 3005276.

It is an arithmetic number, because the mean of its divisors is an integer number (54534915360).

Almost surely, 2^{1122022020021} is an apocalyptic number.

It is an amenable number.

1122022020021 is a deficient number, since it is larger than the sum of its proper divisors (623095271499).

1122022020021 is a wasteful number, since it uses less digits than its factorization.

1122022020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610793.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1122022020021 its reverse (1200202202211), we get a palindrome (2322224222232).

The spelling of 1122022020021 in words is "one trillion, one hundred twenty-two billion, twenty-two million, twenty thousand, twenty-one".