22121432003 has 16 divisors (see below), whose sum is σ = 24211878912. Its totient is φ = 20044332000.

The previous prime is 22121431999. The next prime is 22121432023. The reversal of 22121432003 is 30023412122.

It is not a de Polignac number, because 22121432003 - 2² = 22121431999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121432023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5350325 + ... + 5354457.

It is an arithmetic number, because the mean of its divisors is an integer number (1513242432).

Almost surely, 2^22121432003 is an apocalyptic number.

22121432003 is a deficient number, since it is larger than the sum of its proper divisors (2090446909).

22121432003 is a wasteful number, since it uses less digits than its factorization.

22121432003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22121432003 its reverse (30023412122), we get a palindrome (52144844125).

The spelling of 22121432003 in words is "twenty-two billion, one hundred twenty-one million, four hundred thirty-two thousand, three".