2021222102122 has 32 divisors (see below), whose sum is σ = 3229309036800. Its totient is φ = 946062931968.

The previous prime is 2021222102117. The next prime is 2021222102149. The reversal of 2021222102122 is 2212012221202.

It is a super-2 number, since 2×2021222102122² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2021222102122.

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, 5164938 + ... + 5542474.

It is an arithmetic number, because the mean of its divisors is an integer number (100915907400).

Almost surely, 2^{2021222102122} is an apocalyptic number.

2021222102122 is a deficient number, since it is larger than the sum of its proper divisors (1208086934678).

2021222102122 is a wasteful number, since it uses less digits than its factorization.

2021222102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379230.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2021222102122 its reverse (2212012221202), we get a palindrome (4233234323324).

The spelling of 2021222102122 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-two".