211121122 has 16 divisors (see below), whose sum is σ = 338817600. Its totient is φ = 98364240.

The previous prime is 211121107. The next prime is 211121161. The reversal of 211121122 is 221121112.

It is a nude number because it is divisible by every one of its digits.

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, 43222 + ... + 47857.

It is an arithmetic number, because the mean of its divisors is an integer number (21176100).

Almost surely, 2^211121122 is an apocalyptic number.

211121122 is a deficient number, since it is larger than the sum of its proper divisors (127696478).

211121122 is a wasteful number, since it uses less digits than its factorization.

211121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91161.

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

The square root of 211121122 is about 14530.0076393648. The cubic root of 211121122 is about 595.4480743210.

Adding to 211121122 its reverse (221121112), we get a palindrome (432242234).

The spelling of 211121122 in words is "two hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".