22121003203023 has 8 divisors (see below), whose sum is σ = 29499480137008. Its totient is φ = 14744930868864.

The previous prime is 22121003203003. The next prime is 22121003203069. The reversal of 22121003203023 is 32030230012122.

It is a happy number.

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

It is not a de Polignac number, because 22121003203023 - 2¹⁸ = 22121002940879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121003203003) 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, 601128490 + ... + 601165287.

It is an arithmetic number, because the mean of its divisors is an integer number (3687435017126).

Almost surely, 2^{22121003203023} is an apocalyptic number.

22121003203023 is a deficient number, since it is larger than the sum of its proper divisors (7378476933985).

22121003203023 is a wasteful number, since it uses less digits than its factorization.

22121003203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202299913.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22121003203023 its reverse (32030230012122), we get a palindrome (54151233215145).

The spelling of 22121003203023 in words is "twenty-two trillion, one hundred twenty-one billion, three million, two hundred three thousand, twenty-three".