1111002102211 has 4 divisors (see below), whose sum is σ = 1111091776624. Its totient is φ = 1110912427800.

The previous prime is 1111002102163. The next prime is 1111002102239. The reversal of 1111002102211 is 1122012001111.

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 1111002102211 - 2¹³ = 1111002094019 is a prime.

It is a super-2 number, since 2×1111002102211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111002102191 and 1111002102200.

It is not an unprimeable number, because it can be changed into a prime (1111002102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44818620 + ... + 44843401.

It is an arithmetic number, because the mean of its divisors is an integer number (277772944156).

Almost surely, 2^{1111002102211} is an apocalyptic number.

1111002102211 is a deficient number, since it is larger than the sum of its proper divisors (89674413).

1111002102211 is an equidigital number, since it uses as much as digits as its factorization.

1111002102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89674412.

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

Adding to 1111002102211 its reverse (1122012001111), we get a palindrome (2233014103322).

The spelling of 1111002102211 in words is "one trillion, one hundred eleven billion, two million, one hundred two thousand, two hundred eleven".