101011321225 has 24 divisors (see below), whose sum is σ = 138388106880. Its totient is φ = 72748811520.

The previous prime is 101011321211. The next prime is 101011321231. The reversal of 101011321225 is 522123110101.

It is not a de Polignac number, because 101011321225 - 2⁵ = 101011321193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5157045 + ... + 5176594.

It is an arithmetic number, because the mean of its divisors is an integer number (5766171120).

Almost surely, 2^101011321225 is an apocalyptic number.

It is an amenable number.

101011321225 is a deficient number, since it is larger than the sum of its proper divisors (37376785655).

101011321225 is a wasteful number, since it uses less digits than its factorization.

101011321225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333689 (or 10333684 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 101011321225 its reverse (522123110101), we get a palindrome (623134431326).

The spelling of 101011321225 in words is "one hundred one billion, eleven million, three hundred twenty-one thousand, two hundred twenty-five".