1011110225 has 24 divisors (see below), whose sum is σ = 1302046872. Its totient is φ = 778291200.

The previous prime is 1011110179. The next prime is 1011110231. The reversal of 1011110225 is 5220111101.

It can be written as a sum of positive squares in 12 ways, for example, as 488896321 + 522213904 = 22111^2 + 22852^2 .

It is not a de Polignac number, because 1011110225 - 2⁶ = 1011110161 is a prime.

It is a Duffinian number.

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, 68069 + ... + 81581.

It is an arithmetic number, because the mean of its divisors is an integer number (54251953).

Almost surely, 2^1011110225 is an apocalyptic number.

It is an amenable number.

1011110225 is a deficient number, since it is larger than the sum of its proper divisors (290936647).

1011110225 is a wasteful number, since it uses less digits than its factorization.

1011110225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13637 (or 13632 counting only the distinct ones).

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

The square root of 1011110225 is about 31797.9594471092. The cubic root of 1011110225 is about 1003.6897771333.

Adding to 1011110225 its reverse (5220111101), we get a palindrome (6231221326).

The spelling of 1011110225 in words is "one billion, eleven million, one hundred ten thousand, two hundred twenty-five".