121050565225 has 12 divisors (see below), whose sum is σ = 150220283724. Its totient is φ = 96764592320.

The previous prime is 121050565199. The next prime is 121050565253. The reversal of 121050565225 is 522565050121.

It can be written as a sum of positive squares in 6 ways, for example, as 372142681 + 120678422544 = 19291^2 + 347388^2 .

It is not a de Polignac number, because 121050565225 - 2³⁵ = 86690826857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1863934 + ... + 1927783.

It is an arithmetic number, because the mean of its divisors is an integer number (12518356977).

Almost surely, 2^121050565225 is an apocalyptic number.

It is an amenable number.

121050565225 is a deficient number, since it is larger than the sum of its proper divisors (29169718499).

121050565225 is a wasteful number, since it uses less digits than its factorization.

121050565225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793004 (or 3792999 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 121050565225 in words is "one hundred twenty-one billion, fifty million, five hundred sixty-five thousand, two hundred twenty-five".