20022022122111 has 32 divisors (see below), whose sum is σ = 31408268659200. Its totient is φ = 12562367356800.

The previous prime is 20022022122061. The next prime is 20022022122181. The reversal of 20022022122111 is 11122122022002.

It is a happy number.

20022022122111 is a `hidden beast` number, since 2 + 0 + 0 + 220 + 221 + 221 + 1 + 1 = 666.

It is not a de Polignac number, because 20022022122111 - 2⁹ = 20022022121599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022022122181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11672686 + ... + 13277636.

It is an arithmetic number, because the mean of its divisors is an integer number (981508395600).

Almost surely, 2^{20022022122111} is an apocalyptic number.

20022022122111 is a deficient number, since it is larger than the sum of its proper divisors (11386246537089).

20022022122111 is a wasteful number, since it uses less digits than its factorization.

20022022122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632156 (or 1632150 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20022022122111 its reverse (11122122022002), we get a palindrome (31144144144113).

The spelling of 20022022122111 in words is "twenty trillion, twenty-two billion, twenty-two million, one hundred twenty-two thousand, one hundred eleven".