22251215110003 has 32 divisors (see below), whose sum is σ = 26137201213440. Its totient is φ = 18729055366560.

The previous prime is 22251215109979. The next prime is 22251215110051. The reversal of 22251215110003 is 30001151215222.

It is a happy number.

It is not a de Polignac number, because 22251215110003 - 2²⁹ = 22250678239091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22251215110003.

It is not an unprimeable number, because it can be changed into a prime (22251215110063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4477651 + ... + 8034412.

It is an arithmetic number, because the mean of its divisors is an integer number (816787537920).

Almost surely, 2^{22251215110003} is an apocalyptic number.

22251215110003 is a deficient number, since it is larger than the sum of its proper divisors (3885986103437).

22251215110003 is a wasteful number, since it uses less digits than its factorization.

22251215110003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12512287.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 22251215110003 its reverse (30001151215222), we get a palindrome (52252366325225).

The spelling of 22251215110003 in words is "twenty-two trillion, two hundred fifty-one billion, two hundred fifteen million, one hundred ten thousand, three".