22021121003 has 8 divisors (see below), whose sum is σ = 26647407072. Its totient is φ = 17764937856.

The previous prime is 22021120967. The next prime is 22021121047. The reversal of 22021121003 is 30012112022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021121003 - 2²⁸ = 21752685547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021121063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92525600 + ... + 92525837.

It is an arithmetic number, because the mean of its divisors is an integer number (3330925884).

Almost surely, 2^22021121003 is an apocalyptic number.

22021121003 is a deficient number, since it is larger than the sum of its proper divisors (4626286069).

22021121003 is a wasteful number, since it uses less digits than its factorization.

22021121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185051461.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22021121003 its reverse (30012112022), we get a palindrome (52033233025).

The spelling of 22021121003 in words is "twenty-two billion, twenty-one million, one hundred twenty-one thousand, three".