122121020210199 has 4 divisors (see below), whose sum is σ = 162828026946936. Its totient is φ = 81414013473464.

The previous prime is 122121020210149. The next prime is 122121020210279. The reversal of 122121020210199 is 991012020121221.

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

It is a cyclic number.

It is not a de Polignac number, because 122121020210199 - 2⁸ = 122121020209943 is a prime.

It is a super-2 number, since 2×122121020210199² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121020210149) 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, 20353503368364 + ... + 20353503368369.

It is an arithmetic number, because the mean of its divisors is an integer number (40707006736734).

Almost surely, 2^{122121020210199} is an apocalyptic number.

122121020210199 is a deficient number, since it is larger than the sum of its proper divisors (40707006736737).

122121020210199 is an equidigital number, since it uses as much as digits as its factorization.

122121020210199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40707006736736.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 122121020210199 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, twenty million, two hundred ten thousand, one hundred ninety-nine".