1111001122210 has 24 divisors (see below), whose sum is σ = 2326300309980. Its totient is φ = 380914670304.

The previous prime is 1111001122193. The next prime is 1111001122219. The reversal of 1111001122210 is 122211001111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1102161925921 + 8839196289 = 1049839^2 + 94017^2 .

It is not an unprimeable number, because it can be changed into a prime (1111001122219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1133674125 + ... + 1133675104.

Almost surely, 2^{1111001122210} is an apocalyptic number.

1111001122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111001122210 is an abundant number, since it is smaller than the sum of its proper divisors (1215299187770).

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

1111001122210 is a wasteful number, since it uses less digits than its factorization.

1111001122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267349250 (or 2267349243 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111001122210 its reverse (122211001111), we get a palindrome (1233212123321).

The spelling of 1111001122210 in words is "one trillion, one hundred eleven billion, one million, one hundred twenty-two thousand, two hundred ten".