121002552220303 has 4 divisors (see below), whose sum is σ = 130310440852648. Its totient is φ = 111694663587960.

The previous prime is 121002552220279. The next prime is 121002552220307. The reversal of 121002552220303 is 303022255200121.

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 121002552220303 - 2⁴¹ = 118803528964751 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 (121002552220307) 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, 4653944316153 + ... + 4653944316178.

It is an arithmetic number, because the mean of its divisors is an integer number (32577610213162).

Almost surely, 2^{121002552220303} is an apocalyptic number.

121002552220303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121002552220303 is a deficient number, since it is larger than the sum of its proper divisors (9307888632345).

121002552220303 is an equidigital number, since it uses as much as digits as its factorization.

121002552220303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9307888632344.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 121002552220303 in words is "one hundred twenty-one trillion, two billion, five hundred fifty-two million, two hundred twenty thousand, three hundred three".