121022201221099 has 4 divisors (see below), whose sum is σ = 121045569096760. Its totient is φ = 120998833345440.

The previous prime is 121022201221091. The next prime is 121022201221147. The reversal of 121022201221099 is 990122102220121.

It is a happy number.

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 121022201221099 - 2³ = 121022201221091 is a prime.

It is a super-3 number, since 3×121022201221099³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022201221091) 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, 11683930062 + ... + 11683940419.

It is an arithmetic number, because the mean of its divisors is an integer number (30261392274190).

Almost surely, 2^{121022201221099} is an apocalyptic number.

121022201221099 is a deficient number, since it is larger than the sum of its proper divisors (23367875661).

121022201221099 is an equidigital number, since it uses as much as digits as its factorization.

121022201221099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23367875660.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 121022201221099 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred one million, two hundred twenty-one thousand, ninety-nine".