1122222222011 has 8 divisors (see below), whose sum is σ = 1296256684464. Its totient is φ = 960190136320.

The previous prime is 1122222221999. The next prime is 1122222222041. The reversal of 1122222222011 is 1102222222211.

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 1122222222011 - 2³⁰ = 1121148480187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122222222041) 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, 3000593990 + ... + 3000594363.

It is an arithmetic number, because the mean of its divisors is an integer number (162032085558).

Almost surely, 2^{1122222222011} is an apocalyptic number.

1122222222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122222222011 is a deficient number, since it is larger than the sum of its proper divisors (174034462453).

1122222222011 is a wasteful number, since it uses less digits than its factorization.

1122222222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001188381.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1122222222011 its reverse (1102222222211), we get a palindrome (2224444444222).

The spelling of 1122222222011 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, eleven".