202001221120999 has 4 divisors (see below), whose sum is σ = 202056427798920. Its totient is φ = 201946014443080.

The previous prime is 202001221120939. The next prime is 202001221121099. The reversal of 202001221120999 is 999021122100202.

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 202001221120999 - 2²⁹ = 202000684250087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001221120939) 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, 27603333472 + ... + 27603340789.

It is an arithmetic number, because the mean of its divisors is an integer number (50514106949730).

Almost surely, 2^{202001221120999} is an apocalyptic number.

202001221120999 is a deficient number, since it is larger than the sum of its proper divisors (55206677921).

202001221120999 is an equidigital number, since it uses as much as digits as its factorization.

202001221120999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55206677920.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 202001221120999 in words is "two hundred two trillion, one billion, two hundred twenty-one million, one hundred twenty thousand, nine hundred ninety-nine".