2021301220122 has 24 divisors (see below), whose sum is σ = 4497850464276. Its totient is φ = 655557152256.

The previous prime is 2021301220111. The next prime is 2021301220151. The reversal of 2021301220122 is 2210221031202.

2021301220122 is a `hidden beast` number, since 2 + 0 + 21 + 301 + 220 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1994339908521 + 26961311601 = 1412211^2 + 164199^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2021301220095 and 2021301220104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1517492743 + ... + 1517494074.

Almost surely, 2^{2021301220122} is an apocalyptic number.

2021301220122 is an abundant number, since it is smaller than the sum of its proper divisors (2476549244154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021301220122 is a wasteful number, since it uses less digits than its factorization.

2021301220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034986862 (or 3034986859 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2021301220122 its reverse (2210221031202), we get a palindrome (4231522251324).

The spelling of 2021301220122 in words is "two trillion, twenty-one billion, three hundred one million, two hundred twenty thousand, one hundred twenty-two".