20110021021022 has 16 divisors (see below), whose sum is σ = 30801450085632. Its totient is φ = 9844881793920.

The previous prime is 20110021020979. The next prime is 20110021021033. The reversal of 20110021021022 is 22012012001102.

It is a junction number, because it is equal to n+sod(n) for n = 20110021020988 and 20110021021006.

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, 502680254 + ... + 502720257.

It is an arithmetic number, because the mean of its divisors is an integer number (1925090630352).

Almost surely, 2^{20110021021022} is an apocalyptic number.

20110021021022 is a deficient number, since it is larger than the sum of its proper divisors (10691429064610).

20110021021022 is a wasteful number, since it uses less digits than its factorization.

20110021021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005400723.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20110021021022 its reverse (22012012001102), we get a palindrome (42122033022124).

The spelling of 20110021021022 in words is "twenty trillion, one hundred ten billion, twenty-one million, twenty-one thousand, twenty-two".