11221131010 has 32 divisors (see below), whose sum is σ = 21392242560. Its totient is φ = 4223223552.

The previous prime is 11221131001. The next prime is 11221131013. The reversal of 11221131010 is 1013112211.

It is a happy number.

11221131010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11221131010² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221131013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788377 + ... + 802483.

It is an arithmetic number, because the mean of its divisors is an integer number (668507580).

Almost surely, 2^11221131010 is an apocalyptic number.

11221131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221131010 is a deficient number, since it is larger than the sum of its proper divisors (10171111550).

11221131010 is a wasteful number, since it uses less digits than its factorization.

11221131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18810.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11221131010 its reverse (1013112211), we get a palindrome (12234243221).

The spelling of 11221131010 in words is "eleven billion, two hundred twenty-one million, one hundred thirty-one thousand, ten".