2021000220122 has 32 divisors (see below), whose sum is σ = 3448662006720. Its totient is φ = 880553617920.

The previous prime is 2021000220091. The next prime is 2021000220139. The reversal of 2021000220122 is 2210220001202.

It is a junction number, because it is equal to n+sod(n) for n = 2021000220097 and 2021000220106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7088279 + ... + 7367882.

It is an arithmetic number, because the mean of its divisors is an integer number (107770687710).

Almost surely, 2^{2021000220122} is an apocalyptic number.

2021000220122 is a deficient number, since it is larger than the sum of its proper divisors (1427661786598).

2021000220122 is a wasteful number, since it uses less digits than its factorization.

2021000220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14456478.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2021000220122 its reverse (2210220001202), we get a palindrome (4231220221324).

The spelling of 2021000220122 in words is "two trillion, twenty-one billion, two hundred twenty thousand, one hundred twenty-two".