121202210002201 has 4 divisors (see below), whose sum is σ = 121213953274804. Its totient is φ = 121190466729600.

The previous prime is 121202210002163. The next prime is 121202210002261. The reversal of 121202210002201 is 102200012202121.

It is a happy number.

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 102864322262025 + 18337887740176 = 10142205^2 + 4282276^2 .

It is a cyclic number.

It is not a de Polignac number, because 121202210002201 - 2¹¹ = 121202210000153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202210002261) 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, 5871620820 + ... + 5871641461.

It is an arithmetic number, because the mean of its divisors is an integer number (30303488318701).

Almost surely, 2^{121202210002201} is an apocalyptic number.

It is an amenable number.

121202210002201 is a deficient number, since it is larger than the sum of its proper divisors (11743272603).

121202210002201 is a wasteful number, since it uses less digits than its factorization.

121202210002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743272602.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121202210002201 its reverse (102200012202121), we get a palindrome (223402222204322).

The spelling of 121202210002201 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred ten million, two thousand, two hundred one".