20201211122 has 16 divisors (see below), whose sum is σ = 31899416640. Its totient is φ = 9568164528.

The previous prime is 20201211113. The next prime is 20201211137. The reversal of 20201211122 is 22111210202.

It is a junction number, because it is equal to n+sod(n) for n = 20201211097 and 20201211106.

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, 845768 + ... + 869324.

It is an arithmetic number, because the mean of its divisors is an integer number (1993713540).

Almost surely, 2^20201211122 is an apocalyptic number.

20201211122 is a deficient number, since it is larger than the sum of its proper divisors (11698205518).

20201211122 is a wasteful number, since it uses less digits than its factorization.

20201211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46145.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20201211122 its reverse (22111210202), we get a palindrome (42312421324).

The spelling of 20201211122 in words is "twenty billion, two hundred one million, two hundred eleven thousand, one hundred twenty-two".