10220121121999 has 8 divisors (see below), whose sum is σ = 10248912404640. Its totient is φ = 10191331634400.

The previous prime is 10220121121981. The next prime is 10220121122047. The reversal of 10220121121999 is 99912112102201.

10220121121999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10220121121999 - 2¹⁵ = 10220121089231 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 (10220121121979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11393709 + ... + 12257929.

It is an arithmetic number, because the mean of its divisors is an integer number (1281114050580).

Almost surely, 2^{10220121121999} is an apocalyptic number.

10220121121999 is a deficient number, since it is larger than the sum of its proper divisors (28791282641).

10220121121999 is an equidigital number, since it uses as much as digits as its factorization.

10220121121999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897521.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 10220121121999 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, nine hundred ninety-nine".