121022301021999 has 48 divisors (see below), whose sum is σ = 185011823084544. Its totient is φ = 70093174694400.

The previous prime is 121022301021929. The next prime is 121022301022003. The reversal of 121022301021999 is 999120103220121.

It is not a de Polignac number, because 121022301021999 - 2⁷ = 121022301021871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121022301021999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022301021929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 918641964 + ... + 918773694.

It is an arithmetic number, because the mean of its divisors is an integer number (3854412980928).

Almost surely, 2^{121022301021999} is an apocalyptic number.

121022301021999 is a deficient number, since it is larger than the sum of its proper divisors (63989522062545).

121022301021999 is a wasteful number, since it uses less digits than its factorization.

121022301021999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238368 (or 238355 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The spelling of 121022301021999 in words is "one hundred twenty-one trillion, twenty-two billion, three hundred one million, twenty-one thousand, nine hundred ninety-nine".