1102312011 has 32 divisors (see below), whose sum is σ = 1613606400. Its totient is φ = 666247680.

The previous prime is 1102311989. The next prime is 1102312021. The reversal of 1102312011 is 1102132011.

It is not a de Polignac number, because 1102312011 - 2⁵ = 1102311979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1102312021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1199010 + ... + 1199928.

It is an arithmetic number, because the mean of its divisors is an integer number (50425200).

Almost surely, 2^1102312011 is an apocalyptic number.

1102312011 is a deficient number, since it is larger than the sum of its proper divisors (511294389).

1102312011 is a wasteful number, since it uses less digits than its factorization.

1102312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1102312011 is about 33201.0844852996. The cubic root of 1102312011 is about 1033.0028344949.

Adding to 1102312011 its reverse (1102132011), we get a palindrome (2204444022).

The spelling of 1102312011 in words is "one billion, one hundred two million, three hundred twelve thousand, eleven".