10011101225 has 6 divisors (see below), whose sum is σ = 12413765550. Its totient is φ = 8008880960.

The previous prime is 10011101209. The next prime is 10011101227. The reversal of 10011101225 is 52210111001.

It can be written as a sum of positive squares in 3 ways, for example, as 82373776 + 9928727449 = 9076^2 + 99643^2 .

It is not a de Polignac number, because 10011101225 - 2⁴ = 10011101209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10011101227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200222000 + ... + 200222049.

It is an arithmetic number, because the mean of its divisors is an integer number (2068960925).

Almost surely, 2^10011101225 is an apocalyptic number.

It is an amenable number.

10011101225 is a deficient number, since it is larger than the sum of its proper divisors (2402664325).

10011101225 is an equidigital number, since it uses as much as digits as its factorization.

10011101225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400444059 (or 400444054 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 10011101225 its reverse (52210111001), we get a palindrome (62221212226).

The spelling of 10011101225 in words is "ten billion, eleven million, one hundred one thousand, two hundred twenty-five".