1111012212211 has 8 divisors (see below), whose sum is σ = 1212025701744. Its totient is φ = 1010000785920.

The previous prime is 1111012212203. The next prime is 1111012212223. The reversal of 1111012212211 is 1122122101111.

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 1111012212211 - 2³ = 1111012212203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111012212281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743871 + ... + 1665943.

It is an arithmetic number, because the mean of its divisors is an integer number (151503212718).

Almost surely, 2^{1111012212211} is an apocalyptic number.

1111012212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111012212211 is a deficient number, since it is larger than the sum of its proper divisors (101013489533).

1111012212211 is a wasteful number, since it uses less digits than its factorization.

1111012212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031621.

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

Adding to 1111012212211 its reverse (1122122101111), we get a palindrome (2233134313322).

The spelling of 1111012212211 in words is "one trillion, one hundred eleven billion, twelve million, two hundred twelve thousand, two hundred eleven".