1011212201133 has 48 divisors (see below), whose sum is σ = 1488997126656. Its totient is φ = 661192519680.

The previous prime is 1011212201123. The next prime is 1011212201177. The reversal of 1011212201133 is 3311022121101.

It is not a de Polignac number, because 1011212201133 - 2⁴ = 1011212201117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011212201123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107834941 + ... + 107844317.

It is an arithmetic number, because the mean of its divisors is an integer number (31020773472).

Almost surely, 2^{1011212201133} is an apocalyptic number.

It is an amenable number.

1011212201133 is a deficient number, since it is larger than the sum of its proper divisors (477784925523).

1011212201133 is a wasteful number, since it uses less digits than its factorization.

1011212201133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594 (or 10591 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1011212201133 its reverse (3311022121101), we get a palindrome (4322234322234).

The spelling of 1011212201133 in words is "one trillion, eleven billion, two hundred twelve million, two hundred one thousand, one hundred thirty-three".