1101331372 has 6 divisors (see below), whose sum is σ = 1927329908. Its totient is φ = 550665684.

The previous prime is 1101331277. The next prime is 1101331373. The reversal of 1101331372 is 2731331011.

It is not an unprimeable number, because it can be changed into a prime (1101331373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137666418 + ... + 137666425.

Almost surely, 2^1101331372 is an apocalyptic number.

It is an amenable number.

1101331372 is a deficient number, since it is larger than the sum of its proper divisors (825998536).

1101331372 is a wasteful number, since it uses less digits than its factorization.

1101331372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275332847 (or 275332845 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1101331372 is about 33186.3130220879. The cubic root of 1101331372 is about 1032.6964168924.

Adding to 1101331372 its reverse (2731331011), we get a palindrome (3832662383).

The spelling of 1101331372 in words is "one billion, one hundred one million, three hundred thirty-one thousand, three hundred seventy-two".