2211011312 has 20 divisors (see below), whose sum is σ = 4356443640. Its totient is φ = 1086767808.

The previous prime is 2211011311. The next prime is 2211011317. The reversal of 2211011312 is 2131101122.

It is a super-2 number, since 2×2211011312² = 9777142043583922688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211011311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170143 + ... + 1172030.

It is an arithmetic number, because the mean of its divisors is an integer number (217822182).

Almost surely, 2^2211011312 is an apocalyptic number.

It is an amenable number.

2211011312 is a deficient number, since it is larger than the sum of its proper divisors (2145432328).

2211011312 is a wasteful number, since it uses less digits than its factorization.

2211011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342240 (or 2342234 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2211011312 is about 47021.3920678663. The cubic root of 2211011312 is about 1302.7577182424.

Adding to 2211011312 its reverse (2131101122), we get a palindrome (4342112434).

The spelling of 2211011312 in words is "two billion, two hundred eleven million, eleven thousand, three hundred twelve".