2203212330121 has 4 divisors (see below), whose sum is σ = 2403504360144. Its totient is φ = 2002920300100.

The previous prime is 2203212330073. The next prime is 2203212330133. The reversal of 2203212330121 is 1210332123022.

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 2203212330121 - 2⁹ = 2203212329609 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203212330092 and 2203212330101.

It is not an unprimeable number, because it can be changed into a prime (2203212330191) 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, 100146014995 + ... + 100146015016.

It is an arithmetic number, because the mean of its divisors is an integer number (600876090036).

Almost surely, 2^{2203212330121} is an apocalyptic number.

It is an amenable number.

2203212330121 is a deficient number, since it is larger than the sum of its proper divisors (200292030023).

2203212330121 is a wasteful number, since it uses less digits than its factorization.

2203212330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200292030022.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2203212330121 its reverse (1210332123022), we get a palindrome (3413544453143).

The spelling of 2203212330121 in words is "two trillion, two hundred three billion, two hundred twelve million, three hundred thirty thousand, one hundred twenty-one".