20021110212022 has 16 divisors (see below), whose sum is σ = 31658973974640. Its totient is φ = 9469675376928.

The previous prime is 20021110211981. The next prime is 20021110212053. The reversal of 20021110212022 is 22021201112002.

It is a happy number.

It is a super-2 number, since 2×20021110212022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20021110211987 and 20021110212005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389096373 + ... + 389147824.

It is an arithmetic number, because the mean of its divisors is an integer number (1978685873415).

Almost surely, 2^{20021110212022} is an apocalyptic number.

20021110212022 is a deficient number, since it is larger than the sum of its proper divisors (11637863762618).

20021110212022 is a wasteful number, since it uses less digits than its factorization.

20021110212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778244895.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20021110212022 its reverse (22021201112002), we get a palindrome (42042311324024).

The spelling of 20021110212022 in words is "twenty trillion, twenty-one billion, one hundred ten million, two hundred twelve thousand, twenty-two".