2021220022022 has 8 divisors (see below), whose sum is σ = 3033981797400. Its totient is φ = 1009892756224.

The previous prime is 2021220022007. The next prime is 2021220022037. The reversal of 2021220022022 is 2202200221202.

It is an interprime number because it is at equal distance from previous prime (2021220022007) and next prime (2021220022037).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2021220022022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358623872 + ... + 358629507.

It is an arithmetic number, because the mean of its divisors is an integer number (379247724675).

Almost surely, 2^{2021220022022} is an apocalyptic number.

2021220022022 is a deficient number, since it is larger than the sum of its proper divisors (1012761775378).

2021220022022 is a wasteful number, since it uses less digits than its factorization.

2021220022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717254790.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2021220022022 its reverse (2202200221202), we get a palindrome (4223420243224).

The spelling of 2021220022022 in words is "two trillion, twenty-one billion, two hundred twenty million, twenty-two thousand, twenty-two".