121010220993 has 8 divisors (see below), whose sum is σ = 161348580288. Its totient is φ = 80672671184.

The previous prime is 121010220983. The next prime is 121010220997. The reversal of 121010220993 is 399022010121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121010220993 - 2¹⁰ = 121010219969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121010220993.

It is not an unprimeable number, because it can be changed into a prime (121010220997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418996 + ... + 646202.

It is an arithmetic number, because the mean of its divisors is an integer number (20168572536).

Almost surely, 2^121010220993 is an apocalyptic number.

It is an amenable number.

121010220993 is a deficient number, since it is larger than the sum of its proper divisors (40338359295).

121010220993 is a wasteful number, since it uses less digits than its factorization.

121010220993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404743.

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 121010220993 in words is "one hundred twenty-one billion, ten million, two hundred twenty thousand, nine hundred ninety-three".