11451224102211 has 32 divisors (see below), whose sum is σ = 17447251028480. Its totient is φ = 7417603483488.

The previous prime is 11451224102207. The next prime is 11451224102221. The reversal of 11451224102211 is 11220142215411.

It is a happy number.

11451224102211 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 1 + 22 + 410 + 221 + 1 = 666.

It is not a de Polignac number, because 11451224102211 - 2² = 11451224102207 is a prime.

It is a super-2 number, since 2×11451224102211² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11451224102221) 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, 7157281 + ... + 8609826.

It is an arithmetic number, because the mean of its divisors is an integer number (545226594640).

Almost surely, 2^{11451224102211} is an apocalyptic number.

11451224102211 is a deficient number, since it is larger than the sum of its proper divisors (5996026926269).

11451224102211 is a wasteful number, since it uses less digits than its factorization.

11451224102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15767880 (or 15767874 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

Adding to 11451224102211 its reverse (11220142215411), we get a palindrome (22671366317622).

The spelling of 11451224102211 in words is "eleven trillion, four hundred fifty-one billion, two hundred twenty-four million, one hundred two thousand, two hundred eleven".