22111452451 has 8 divisors (see below), whose sum is σ = 24773519664. Its totient is φ = 19558041120.

The previous prime is 22111452439. The next prime is 22111452463. The reversal of 22111452451 is 15425411122.

It is an interprime number because it is at equal distance from previous prime (22111452439) and next prime (22111452463).

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 22111452451 - 2²¹ = 22109355299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111452421) 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, 27163540 + ... + 27164353.

It is an arithmetic number, because the mean of its divisors is an integer number (3096689958).

Almost surely, 2^22111452451 is an apocalyptic number.

22111452451 is a deficient number, since it is larger than the sum of its proper divisors (2662067213).

22111452451 is a wasteful number, since it uses less digits than its factorization.

22111452451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54327941.

The product of its digits is 3200, while the sum is 28.

Adding to 22111452451 its reverse (15425411122), we get a palindrome (37536863573).

The spelling of 22111452451 in words is "twenty-two billion, one hundred eleven million, four hundred fifty-two thousand, four hundred fifty-one".