10220121232309 has 4 divisors (see below), whose sum is σ = 10293647284480. Its totient is φ = 10146595180140.

The previous prime is 10220121232301. The next prime is 10220121232331. The reversal of 10220121232309 is 90323212102201.

10220121232309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10220121232309 - 2³ = 10220121232301 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 (10220121232301) 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, 36763025877 + ... + 36763026154.

It is an arithmetic number, because the mean of its divisors is an integer number (2573411821120).

Almost surely, 2^{10220121232309} is an apocalyptic number.

It is an amenable number.

10220121232309 is a deficient number, since it is larger than the sum of its proper divisors (73526052171).

10220121232309 is an equidigital number, since it uses as much as digits as its factorization.

10220121232309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73526052170.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 10220121232309 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thirty-two thousand, three hundred nine".