2022020122221 has 36 divisors (see below), whose sum is σ = 3255567850080. Its totient is φ = 1208206599600.

The previous prime is 2022020122217. The next prime is 2022020122231. The reversal of 2022020122221 is 1222210202202.

2022020122221 is a `hidden beast` number, since 2 + 0 + 220 + 201 + 22 + 221 = 666.

It is not a de Polignac number, because 2022020122221 - 2² = 2022020122217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022020122194 and 2022020122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022020122231) 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, 12998511 + ... + 13153148.

It is an arithmetic number, because the mean of its divisors is an integer number (90432440280).

Almost surely, 2^{2022020122221} is an apocalyptic number.

It is an amenable number.

2022020122221 is a deficient number, since it is larger than the sum of its proper divisors (1233547727859).

2022020122221 is a wasteful number, since it uses less digits than its factorization.

2022020122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26151758 (or 26151744 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2022020122221 its reverse (1222210202202), we get a palindrome (3244230324423).

The spelling of 2022020122221 in words is "two trillion, twenty-two billion, twenty million, one hundred twenty-two thousand, two hundred twenty-one".