1111022212211 has 8 divisors (see below), whose sum is σ = 1116873474048. Its totient is φ = 1105171309000.

The previous prime is 1111022212177. The next prime is 1111022212213. The reversal of 1111022212211 is 1122122201111.

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 1111022212211 - 2¹⁴ = 1111022195827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111022212211.

It is not an unprimeable number, because it can be changed into a prime (1111022212213) 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, 8070446 + ... + 8206956.

It is an arithmetic number, because the mean of its divisors is an integer number (139609184256).

Almost surely, 2^{1111022212211} is an apocalyptic number.

1111022212211 is a deficient number, since it is larger than the sum of its proper divisors (5851261837).

1111022212211 is a wasteful number, since it uses less digits than its factorization.

1111022212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179313.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1111022212211 its reverse (1122122201111), we get a palindrome (2233144413322).

The spelling of 1111022212211 in words is "one trillion, one hundred eleven billion, twenty-two million, two hundred twelve thousand, two hundred eleven".