910000121201 has 4 divisors (see below), whose sum is σ = 910626413172. Its totient is φ = 909373829232.

The previous prime is 910000121197. The next prime is 910000121209. The reversal of 910000121201 is 102121000019.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 654319210000 + 255680911201 = 808900^2 + 505649^2 .

It is a cyclic number.

It is not a de Polignac number, because 910000121201 - 2² = 910000121197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 910000121201.

It is not an unprimeable number, because it can be changed into a prime (910000121209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313143806 + ... + 313146711.

It is an arithmetic number, because the mean of its divisors is an integer number (227656603293).

Almost surely, 2^910000121201 is an apocalyptic number.

It is an amenable number.

910000121201 is a deficient number, since it is larger than the sum of its proper divisors (626291971).

910000121201 is a wasteful number, since it uses less digits than its factorization.

910000121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626291970.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 910000121201 in words is "nine hundred ten billion, one hundred twenty-one thousand, two hundred one".