11111032221010 has 64 divisors (see below), whose sum is σ = 20396046050784. Its totient is φ = 4357308928000.

The previous prime is 11111032220983. The next prime is 11111032221019. The reversal of 11111032221010 is 1012223011111.

It is a happy number.

11111032221010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 4064348736529 + 7046683484481 = 2016023^2 + 2654559^2 .

It is not an unprimeable number, because it can be changed into a prime (11111032221019) 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, 121046052 + ... + 121137808.

Almost surely, 2^{11111032221010} is an apocalyptic number.

11111032221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111032221010 is a deficient number, since it is larger than the sum of its proper divisors (9285013829774).

11111032221010 is a wasteful number, since it uses less digits than its factorization.

11111032221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93039.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11111032221010 its reverse (1012223011111), we get a palindrome (12123255232121).

The spelling of 11111032221010 in words is "eleven trillion, one hundred eleven billion, thirty-two million, two hundred twenty-one thousand, ten".