1011221334011 has 32 divisors (see below), whose sum is σ = 1288799216640. Its totient is φ = 773013897216.

The previous prime is 1011221334007. The next prime is 1011221334031. The reversal of 1011221334011 is 1104331221101.

It is a cyclic number.

It is not a de Polignac number, because 1011221334011 - 2² = 1011221334007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011221334031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1433606 + ... + 2019323.

It is an arithmetic number, because the mean of its divisors is an integer number (40274975520).

Almost surely, 2^{1011221334011} is an apocalyptic number.

1011221334011 is a deficient number, since it is larger than the sum of its proper divisors (277577882629).

1011221334011 is a wasteful number, since it uses less digits than its factorization.

1011221334011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453083.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1011221334011 its reverse (1104331221101), we get a palindrome (2115552555112).

The spelling of 1011221334011 in words is "one trillion, eleven billion, two hundred twenty-one million, three hundred thirty-four thousand, eleven".