101111072 has 12 divisors (see below), whose sum is σ = 199062486. Its totient is φ = 50555520.

The previous prime is 101111071. The next prime is 101111111. The reversal of 101111072 is 270111101.

It can be written as a sum of positive squares in only one way, i.e., 89794576 + 11316496 = 9476^2 + 3364^2 .

It is not an unprimeable number, because it can be changed into a prime (101111071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579829 + ... + 1579892.

Almost surely, 2^101111072 is an apocalyptic number.

It is an amenable number.

101111072 is a deficient number, since it is larger than the sum of its proper divisors (97951414).

101111072 is an equidigital number, since it uses as much as digits as its factorization.

101111072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159731 (or 3159723 counting only the distinct ones).

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

The square root of 101111072 is about 10055.4001412177. The cubic root of 101111072 is about 465.8716022195.

Adding to 101111072 its reverse (270111101), we get a palindrome (371222173).

The spelling of 101111072 in words is "one hundred one million, one hundred eleven thousand, seventy-two".