22130121003 has 4 divisors (see below), whose sum is σ = 29506828008. Its totient is φ = 14753414000.

The previous prime is 22130120993. The next prime is 22130121031. The reversal of 22130121003 is 30012103122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22130121003 - 2⁹ = 22130120491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22130121103) 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, 3688353498 + ... + 3688353503.

It is an arithmetic number, because the mean of its divisors is an integer number (7376707002).

Almost surely, 2^22130121003 is an apocalyptic number.

22130121003 is a deficient number, since it is larger than the sum of its proper divisors (7376707005).

22130121003 is an equidigital number, since it uses as much as digits as its factorization.

22130121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376707004.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22130121003 its reverse (30012103122), we get a palindrome (52142224125).

The spelling of 22130121003 in words is "twenty-two billion, one hundred thirty million, one hundred twenty-one thousand, three".