101311225 has 24 divisors (see below), whose sum is σ = 130409312. Its totient is φ = 78019200.

The previous prime is 101311219. The next prime is 101311237. The reversal of 101311225 is 522113101.

It is a de Polignac number, because none of the positive numbers 2^k-101311225 is a prime.

It is a super-2 number, since 2×101311225² = 20527928622001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101311199 and 101311208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77830 + ... + 79120.

Almost surely, 2^101311225 is an apocalyptic number.

It is an amenable number.

101311225 is a deficient number, since it is larger than the sum of its proper divisors (29098087).

101311225 is a wasteful number, since it uses less digits than its factorization.

101311225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 101311225 is about 10065.3477336851. The cubic root of 101311225 is about 466.1788027955.

Adding to 101311225 its reverse (522113101), we get a palindrome (623424326).

The spelling of 101311225 in words is "one hundred one million, three hundred eleven thousand, two hundred twenty-five".