121202221200001 has 16 divisors (see below), whose sum is σ = 121494996741888. Its totient is φ = 120909695587200.

The previous prime is 121202221199989. The next prime is 121202221200013. The reversal of 121202221200001 is 100002122202121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121202221199989) and next prime (121202221200013).

It is a cyclic number.

It is not a de Polignac number, because 121202221200001 - 2¹³ = 121202221191809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202221200601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15406405270 + ... + 15406413136.

It is an arithmetic number, because the mean of its divisors is an integer number (7593437296368).

Almost surely, 2^{121202221200001} is an apocalyptic number.

It is an amenable number.

121202221200001 is a deficient number, since it is larger than the sum of its proper divisors (292775541887).

121202221200001 is an equidigital number, since it uses as much as digits as its factorization.

121202221200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19272.

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

Adding to 121202221200001 its reverse (100002122202121), we get a palindrome (221204343402122).

The spelling of 121202221200001 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty-one million, two hundred thousand, one".