121220310201199 has 16 divisors (see below), whose sum is σ = 132576548138496. Its totient is φ = 109920462120000.

The previous prime is 121220310201131. The next prime is 121220310201251. The reversal of 121220310201199 is 991102013022121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121220310201199 - 2¹⁵ = 121220310168431 is a prime.

It is a super-2 number, since 2×121220310201199² (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 (121220310201499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2039862 + ... + 15703555.

It is an arithmetic number, because the mean of its divisors is an integer number (8286034258656).

Almost surely, 2^{121220310201199} is an apocalyptic number.

121220310201199 is a deficient number, since it is larger than the sum of its proper divisors (11356237937297).

121220310201199 is a wasteful number, since it uses less digits than its factorization.

121220310201199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17745006.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 121220310201199 in words is "one hundred twenty-one trillion, two hundred twenty billion, three hundred ten million, two hundred one thousand, one hundred ninety-nine".