1111110001211 has 8 divisors (see below), whose sum is σ = 1273499485440. Its totient is φ = 949635388008.

The previous prime is 1111110001163. The next prime is 1111110001213. The reversal of 1111110001211 is 1121000111111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1111110001211 - 2¹⁸ = 1111109739067 is a prime.

It is a super-2 number, since 2×1111110001211² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111110001192 and 1111110001201.

It is not an unprimeable number, because it can be changed into a prime (1111110001213) 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 7 ways as a sum of consecutive naturals, for example, 228715151 + ... + 228720008.

It is an arithmetic number, because the mean of its divisors is an integer number (159187435680).

Almost surely, 2^{1111110001211} is an apocalyptic number.

1111110001211 is a deficient number, since it is larger than the sum of its proper divisors (162389484229).

1111110001211 is an equidigital number, since it uses as much as digits as its factorization.

1111110001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457435513.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1111110001211 its reverse (1121000111111), we get a palindrome (2232110112322).

The spelling of 1111110001211 in words is "one trillion, one hundred eleven billion, one hundred ten million, one thousand, two hundred eleven".