20011111122022 has 16 divisors (see below), whose sum is σ = 30159222307200. Its totient is φ = 9958060685952.

The previous prime is 20011111122011. The next prime is 20011111122049. The reversal of 20011111122022 is 22022111111002.

It is a junction number, because it is equal to n+sod(n) for n = 20011111121987 and 20011111122005.

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, 4222897 + ... + 7606252.

It is an arithmetic number, because the mean of its divisors is an integer number (1884951394200).

Almost surely, 2^{20011111122022} is an apocalyptic number.

20011111122022 is a deficient number, since it is larger than the sum of its proper divisors (10148111185178).

20011111122022 is a wasteful number, since it uses less digits than its factorization.

20011111122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11833167.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20011111122022 its reverse (22022111111002), we get a palindrome (42033222233024).

The spelling of 20011111122022 in words is "twenty trillion, eleven billion, one hundred eleven million, one hundred twenty-two thousand, twenty-two".