11122221010 has 8 divisors (see below), whose sum is σ = 20019997836. Its totient is φ = 4448888400.

The previous prime is 11122221001. The next prime is 11122221023. The reversal of 11122221010 is 1012222111.

It can be written as a sum of positive squares in 2 ways, for example, as 9377404569 + 1744816441 = 96837^2 + 41771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556111041 + ... + 556111060.

Almost surely, 2^11122221010 is an apocalyptic number.

11122221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11122221010 is a deficient number, since it is larger than the sum of its proper divisors (8897776826).

11122221010 is a wasteful number, since it uses less digits than its factorization.

11122221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112222108.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11122221010 its reverse (1012222111), we get a palindrome (12134443121).

The spelling of 11122221010 in words is "eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, ten".