20111011011022 has 16 divisors (see below), whose sum is σ = 31760303264640. Its totient is φ = 9524445767928.

The previous prime is 20111011010983. The next prime is 20111011011037. The reversal of 20111011011022 is 22011011011102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20111011010993 and 20111011011011.

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, 50426698 + ... + 50823949.

It is an arithmetic number, because the mean of its divisors is an integer number (1985018954040).

Almost surely, 2^{20111011011022} is an apocalyptic number.

20111011011022 is a deficient number, since it is larger than the sum of its proper divisors (11649292253618).

20111011011022 is a wasteful number, since it uses less digits than its factorization.

20111011011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101255895.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20111011011022 its reverse (22011011011102), we get a palindrome (42122022022124).

The spelling of 20111011011022 in words is "twenty trillion, one hundred eleven billion, eleven million, eleven thousand, twenty-two".