22503120012021 has 8 divisors (see below), whose sum is σ = 32731810926624. Its totient is φ = 13638254552720.

The previous prime is 22503120011947. The next prime is 22503120012071. The reversal of 22503120012021 is 12021002130522.

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 22503120012021 - 2⁷ = 22503120011893 is a prime.

It is a super-2 number, since 2×22503120012021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22503120012071) 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, 340956363786 + ... + 340956363851.

It is an arithmetic number, because the mean of its divisors is an integer number (4091476365828).

Almost surely, 2^{22503120012021} is an apocalyptic number.

It is an amenable number.

22503120012021 is a deficient number, since it is larger than the sum of its proper divisors (10228690914603).

22503120012021 is a wasteful number, since it uses less digits than its factorization.

22503120012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681912727651.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 22503120012021 its reverse (12021002130522), we get a palindrome (34524122142543).

The spelling of 22503120012021 in words is "twenty-two trillion, five hundred three billion, one hundred twenty million, twelve thousand, twenty-one".