11212391170 has 8 divisors (see below), whose sum is σ = 20182304124. Its totient is φ = 4484956464.

The previous prime is 11212391159. The next prime is 11212391171. The reversal of 11212391170 is 7119321211.

It can be written as a sum of positive squares in 2 ways, for example, as 11155795641 + 56595529 = 105621^2 + 7523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11212391171) 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, 560619549 + ... + 560619568.

Almost surely, 2^11212391170 is an apocalyptic number.

11212391170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212391170 is a deficient number, since it is larger than the sum of its proper divisors (8969912954).

11212391170 is a wasteful number, since it uses less digits than its factorization.

11212391170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121239124.

The product of its (nonzero) digits is 756, while the sum is 28.

The spelling of 11212391170 in words is "eleven billion, two hundred twelve million, three hundred ninety-one thousand, one hundred seventy".