2122211145 has 16 divisors (see below), whose sum is σ = 3400225920. Its totient is φ = 1130283264.

The previous prime is 2122211129. The next prime is 2122211149. The reversal of 2122211145 is 5411122212.

It is not a de Polignac number, because 2122211145 - 2⁴ = 2122211129 is a prime.

It is a super-2 number, since 2×2122211145² = 9007560287924422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2122211149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86400 + ... + 108209.

It is an arithmetic number, because the mean of its divisors is an integer number (212514120).

Almost surely, 2^2122211145 is an apocalyptic number.

It is an amenable number.

2122211145 is a deficient number, since it is larger than the sum of its proper divisors (1278014775).

2122211145 is a wasteful number, since it uses less digits than its factorization.

2122211145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195344.

The product of its digits is 320, while the sum is 21.

The square root of 2122211145 is about 46067.4629755102. The cubic root of 2122211145 is about 1285.0781231049.

Adding to 2122211145 its reverse (5411122212), we get a palindrome (7533333357).

The spelling of 2122211145 in words is "two billion, one hundred twenty-two million, two hundred eleven thousand, one hundred forty-five".