11312201001 has 4 divisors (see below), whose sum is σ = 15082934672. Its totient is φ = 7541467332.

The previous prime is 11312200993. The next prime is 11312201011. The reversal of 11312201001 is 10010221311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11312201001 - 2³ = 11312200993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312201011) 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, 1885366831 + ... + 1885366836.

It is an arithmetic number, because the mean of its divisors is an integer number (3770733668).

Almost surely, 2^11312201001 is an apocalyptic number.

It is an amenable number.

11312201001 is a deficient number, since it is larger than the sum of its proper divisors (3770733671).

11312201001 is an equidigital number, since it uses as much as digits as its factorization.

11312201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770733670.

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

Adding to 11312201001 its reverse (10010221311), we get a palindrome (21322422312).

The spelling of 11312201001 in words is "eleven billion, three hundred twelve million, two hundred one thousand, one".