10222120020121 has 4 divisors (see below), whose sum is σ = 10223930211712. Its totient is φ = 10220309828532.

The previous prime is 10222120020103. The next prime is 10222120020179. The reversal of 10222120020121 is 12102002122201.

It is a happy number.

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 10222120020121 - 2⁵ = 10222120020089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222120020095 and 10222120020104.

It is not an unprimeable number, because it can be changed into a prime (10222120020191) 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, 905087325 + ... + 905098618.

It is an arithmetic number, because the mean of its divisors is an integer number (2555982552928).

Almost surely, 2^{10222120020121} is an apocalyptic number.

It is an amenable number.

10222120020121 is a deficient number, since it is larger than the sum of its proper divisors (1810191591).

10222120020121 is an equidigital number, since it uses as much as digits as its factorization.

10222120020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810191590.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10222120020121 its reverse (12102002122201), we get a palindrome (22324122142322).

The spelling of 10222120020121 in words is "ten trillion, two hundred twenty-two billion, one hundred twenty million, twenty thousand, one hundred twenty-one".