11221016770432 has 64 divisors (see below), whose sum is σ = 25548667129440. Its totient is φ = 4808853504000.

The previous prime is 11221016770429. The next prime is 11221016770451. The reversal of 11221016770432 is 23407761012211.

11221016770432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×11221016770432² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221016770391 and 11221016770400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30475432 + ... + 30841432.

Almost surely, 2^{11221016770432} is an apocalyptic number.

It is an amenable number.

11221016770432 is an abundant number, since it is smaller than the sum of its proper divisors (14327650359008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221016770432 is an equidigital number, since it uses as much as digits as its factorization.

11221016770432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400239 (or 400227 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

Adding to 11221016770432 its reverse (23407761012211), we get a palindrome (34628777782643).

The spelling of 11221016770432 in words is "eleven trillion, two hundred twenty-one billion, sixteen million, seven hundred seventy thousand, four hundred thirty-two".