1011227216011 has 16 divisors (see below), whose sum is σ = 1078183591200. Its totient is φ = 945104509440.

The previous prime is 1011227215987. The next prime is 1011227216017. The reversal of 1011227216011 is 1106127221101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1011227216011 - 2¹¹ = 1011227213963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011227216017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9845341 + ... + 9947521.

It is an arithmetic number, because the mean of its divisors is an integer number (67386474450).

Almost surely, 2^{1011227216011} is an apocalyptic number.

1011227216011 is a deficient number, since it is larger than the sum of its proper divisors (66956375189).

1011227216011 is a wasteful number, since it uses less digits than its factorization.

1011227216011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106254.

The product of its (nonzero) digits is 336, while the sum is 25.

The spelling of 1011227216011 in words is "one trillion, eleven billion, two hundred twenty-seven million, two hundred sixteen thousand, eleven".