20010211121022 has 32 divisors (see below), whose sum is σ = 40099970024448. Its totient is φ = 6656814337536.

The previous prime is 20010211120961. The next prime is 20010211121023. The reversal of 20010211121022 is 22012111201002.

It is a junction number, because it is equal to n+sod(n) for n = 20010211120992 and 20010211121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010211121023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42546483 + ... + 43014225.

It is an arithmetic number, because the mean of its divisors is an integer number (1253124063264).

Almost surely, 2^{20010211121022} is an apocalyptic number.

20010211121022 is an abundant number, since it is smaller than the sum of its proper divisors (20089758903426).

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

20010211121022 is a wasteful number, since it uses less digits than its factorization.

20010211121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481904.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20010211121022 its reverse (22012111201002), we get a palindrome (42022322322024).

The spelling of 20010211121022 in words is "twenty trillion, ten billion, two hundred eleven million, one hundred twenty-one thousand, twenty-two".