1111010223211 has 4 divisors (see below), whose sum is σ = 1269725969392. Its totient is φ = 952294477032.

The previous prime is 1111010223143. The next prime is 1111010223227. The reversal of 1111010223211 is 1123220101111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1111010223211 - 2²³ = 1111001834603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111010223241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79357873080 + ... + 79357873093.

It is an arithmetic number, because the mean of its divisors is an integer number (317431492348).

Almost surely, 2^{1111010223211} is an apocalyptic number.

1111010223211 is a deficient number, since it is larger than the sum of its proper divisors (158715746181).

1111010223211 is an equidigital number, since it uses as much as digits as its factorization.

1111010223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158715746180.

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

Adding to 1111010223211 its reverse (1123220101111), we get a palindrome (2234230324322).

The spelling of 1111010223211 in words is "one trillion, one hundred eleven billion, ten million, two hundred twenty-three thousand, two hundred eleven".