1011222112011 has 8 divisors (see below), whose sum is σ = 1353163645584. Its totient is φ = 671714326560.

The previous prime is 1011222111983. The next prime is 1011222112057. The reversal of 1011222112011 is 1102112221101.

It is a happy number.

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

It is not a de Polignac number, because 1011222112011 - 2¹³ = 1011222103819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011222112111) 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, 608436060 + ... + 608437721.

It is an arithmetic number, because the mean of its divisors is an integer number (169145455698).

Almost surely, 2^{1011222112011} is an apocalyptic number.

1011222112011 is a deficient number, since it is larger than the sum of its proper divisors (341941533573).

1011222112011 is a wasteful number, since it uses less digits than its factorization.

1011222112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216874061.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1011222112011 its reverse (1102112221101), we get a palindrome (2113334333112).

The spelling of 1011222112011 in words is "one trillion, eleven billion, two hundred twenty-two million, one hundred twelve thousand, eleven".