20212211122 has 16 divisors (see below), whose sum is σ = 30956582592. Its totient is φ = 9894167920.

The previous prime is 20212211111. The next prime is 20212211161. The reversal of 20212211122 is 22111221202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20212211096 and 20212211105.

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, 154654 + ... + 253657.

It is an arithmetic number, because the mean of its divisors is an integer number (1934786412).

Almost surely, 2^20212211122 is an apocalyptic number.

20212211122 is a deficient number, since it is larger than the sum of its proper divisors (10744371470).

20212211122 is a wasteful number, since it uses less digits than its factorization.

20212211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408833.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212211122 its reverse (22111221202), we get a palindrome (42323432324).

The spelling of 20212211122 in words is "twenty billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-two".