2211153412 has 36 divisors (see below), whose sum is σ = 4233392436. Its totient is φ = 1009981440.

The previous prime is 2211153391. The next prime is 2211153463. The reversal of 2211153412 is 2143511122.

It can be written as a sum of positive squares in 6 ways, for example, as 995654916 + 1215498496 = 31554^2 + 34864^2 .

It is a super-2 number, since 2×2211153412² = 9778398822798483488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48712 + ... + 82432.

Almost surely, 2^2211153412 is an apocalyptic number.

It is an amenable number.

2211153412 is a deficient number, since it is larger than the sum of its proper divisors (2022239024).

2211153412 is a wasteful number, since it uses less digits than its factorization.

2211153412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33848 (or 33833 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 2211153412 is about 47022.9030579780. The cubic root of 2211153412 is about 1302.7856267241.

Adding to 2211153412 its reverse (2143511122), we get a palindrome (4354664534).

The spelling of 2211153412 in words is "two billion, two hundred eleven million, one hundred fifty-three thousand, four hundred twelve".