121102202000201 has 4 divisors (see below), whose sum is σ = 121102224372612. Its totient is φ = 121102179627792.

The previous prime is 121102202000191. The next prime is 121102202000207. The reversal of 121102202000201 is 102000202201121.

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 115149553562176 + 5952648438025 = 10730776^2 + 2439805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121102202000201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102202000207) 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, 2582255 + ... + 15775691.

It is an arithmetic number, because the mean of its divisors is an integer number (30275556093153).

Almost surely, 2^{121102202000201} is an apocalyptic number.

It is an amenable number.

121102202000201 is a deficient number, since it is larger than the sum of its proper divisors (22372411).

121102202000201 is an equidigital number, since it uses as much as digits as its factorization.

121102202000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22372410.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121102202000201 its reverse (102000202201121), we get a palindrome (223102404201322).

The spelling of 121102202000201 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred two million, two hundred one", and thus it is an aban number.