10121702225 has 12 divisors (see below), whose sum is σ = 12763639920. Its totient is φ = 7960117200.

The previous prime is 10121702221. The next prime is 10121702251. The reversal of 10121702225 is 52220712101.

It is not a de Polignac number, because 10121702225 - 2² = 10121702221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10121702225.

It is not an unprimeable number, because it can be changed into a prime (10121702221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3429611 + ... + 3432560.

It is an arithmetic number, because the mean of its divisors is an integer number (1063636660).

Almost surely, 2^10121702225 is an apocalyptic number.

It is an amenable number.

10121702225 is a deficient number, since it is larger than the sum of its proper divisors (2641937695).

10121702225 is an equidigital number, since it uses as much as digits as its factorization.

10121702225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862240 (or 6862235 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The spelling of 10121702225 in words is "ten billion, one hundred twenty-one million, seven hundred two thousand, two hundred twenty-five".