2122022000021 has 36 divisors (see below), whose sum is σ = 2729530437984. Its totient is φ = 1643621530320.

The previous prime is 2122021999967. The next prime is 2122022000029. The reversal of 2122022000021 is 1200002202212.

It is not a de Polignac number, because 2122022000021 - 2¹⁰ = 2122021998997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122022000029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81431 + ... + 2061716.

It is an arithmetic number, because the mean of its divisors is an integer number (75820289944).

Almost surely, 2^{2122022000021} is an apocalyptic number.

It is an amenable number.

2122022000021 is a deficient number, since it is larger than the sum of its proper divisors (607508437963).

2122022000021 is a wasteful number, since it uses less digits than its factorization.

2122022000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143350 (or 2143332 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2122022000021 its reverse (1200002202212), we get a palindrome (3322024202233).

The spelling of 2122022000021 in words is "two trillion, one hundred twenty-two billion, twenty-two million, twenty-one", and thus it is an aban number.