211121000122 has 16 divisors (see below), whose sum is σ = 323923176072. Its totient is φ = 103168653120.

The previous prime is 211121000099. The next prime is 211121000147. The reversal of 211121000122 is 221000121112.

It can be written as a sum of positive squares in 4 ways, for example, as 45423970641 + 165697029481 = 213129^2 + 407059^2 .

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, 5491993 + ... + 5530300.

Almost surely, 2^211121000122 is an apocalyptic number.

211121000122 is a deficient number, since it is larger than the sum of its proper divisors (112802175950).

211121000122 is a wasteful number, since it uses less digits than its factorization.

211121000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022513.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211121000122 its reverse (221000121112), we get a palindrome (432121121234).

The spelling of 211121000122 in words is "two hundred eleven billion, one hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.