20011120211122 has 16 divisors (see below), whose sum is σ = 30596678597952. Its totient is φ = 9813172738320.

The previous prime is 20011120211087. The next prime is 20011120211149. The reversal of 20011120211122 is 22111202111002.

It is a junction number, because it is equal to n+sod(n) for n = 20011120211096 and 20011120211105.

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, 236305758 + ... + 236390425.

It is an arithmetic number, because the mean of its divisors is an integer number (1912292412372).

Almost surely, 2^{20011120211122} is an apocalyptic number.

20011120211122 is a deficient number, since it is larger than the sum of its proper divisors (10585558386830).

20011120211122 is a wasteful number, since it uses less digits than its factorization.

20011120211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472696593.

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

Adding to 20011120211122 its reverse (22111202111002), we get a palindrome (42122322322124).

The spelling of 20011120211122 in words is "twenty trillion, eleven billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-two".