11021435225 has 24 divisors (see below), whose sum is σ = 13820484480. Its totient is φ = 8718232320.

The previous prime is 11021435219. The next prime is 11021435231. The reversal of 11021435225 is 52253412011.

It is an interprime number because it is at equal distance from previous prime (11021435219) and next prime (11021435231).

It is not a de Polignac number, because 11021435225 - 2⁴ = 11021435209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021435194 and 11021435203.

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, 1235732 + ... + 1244618.

It is an arithmetic number, because the mean of its divisors is an integer number (575853520).

Almost surely, 2^11021435225 is an apocalyptic number.

It is an amenable number.

11021435225 is a deficient number, since it is larger than the sum of its proper divisors (2799049255).

11021435225 is a wasteful number, since it uses less digits than its factorization.

11021435225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9449 (or 9444 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11021435225 its reverse (52253412011), we get a palindrome (63274847236).

The spelling of 11021435225 in words is "eleven billion, twenty-one million, four hundred thirty-five thousand, two hundred twenty-five".