2022121122021 has 96 divisors (see below), whose sum is σ = 3971332485120. Its totient is φ = 957374121600.

The previous prime is 2022121122011. The next prime is 2022121122061. The reversal of 2022121122021 is 1202211212202.

It is a happy number.

2022121122021 is a `hidden beast` number, since 202 + 212 + 11 + 220 + 21 = 666.

It is not a de Polignac number, because 2022121122021 - 2⁵ = 2022121121989 is a prime.

It is a super-2 number, since 2×2022121122021² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2022121121985 and 2022121122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022121122011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 708895 + ... + 2132316.

It is an arithmetic number, because the mean of its divisors is an integer number (41368046720).

Almost surely, 2^{2022121122021} is an apocalyptic number.

2022121122021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2022121122021 is a deficient number, since it is larger than the sum of its proper divisors (1949211363099).

2022121122021 is a wasteful number, since it uses less digits than its factorization.

2022121122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841327 (or 2841324 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2022121122021 its reverse (1202211212202), we get a palindrome (3224332334223).

The spelling of 2022121122021 in words is "two trillion, twenty-two billion, one hundred twenty-one million, one hundred twenty-two thousand, twenty-one".