2022001222021 has 48 divisors (see below), whose sum is σ = 2290584562560. Its totient is φ = 1782870566400.

The previous prime is 2022001221971. The next prime is 2022001222051. The reversal of 2022001222021 is 1202221002202.

It is not a de Polignac number, because 2022001222021 - 2³¹ = 2019853738373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022001221986 and 2022001222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022001222051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 256497546 + ... + 256505428.

It is an arithmetic number, because the mean of its divisors is an integer number (47720511720).

Almost surely, 2^{2022001222021} is an apocalyptic number.

It is an amenable number.

2022001222021 is a deficient number, since it is larger than the sum of its proper divisors (268583340539).

2022001222021 is a wasteful number, since it uses less digits than its factorization.

2022001222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458 (or 8447 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2022001222021 its reverse (1202221002202), we get a palindrome (3224222224223).

The spelling of 2022001222021 in words is "two trillion, twenty-two billion, one million, two hundred twenty-two thousand, twenty-one".