1011201321033 has 16 divisors (see below), whose sum is σ = 1586198151360. Its totient is φ = 634479259968.

The previous prime is 1011201320957. The next prime is 1011201321047. The reversal of 1011201321033 is 3301231021101.

It is not a de Polignac number, because 1011201321033 - 2¹⁴ = 1011201304649 is a prime.

It is a super-2 number, since 2×1011201321033² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011201320997 and 1011201321015.

It is not an unprimeable number, because it can be changed into a prime (1011201321073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101526035 + ... + 1101526952.

It is an arithmetic number, because the mean of its divisors is an integer number (99137384460).

Almost surely, 2^{1011201321033} is an apocalyptic number.

It is an amenable number.

1011201321033 is a deficient number, since it is larger than the sum of its proper divisors (574996830327).

1011201321033 is a wasteful number, since it uses less digits than its factorization.

1011201321033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203053013 (or 2203053007 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1011201321033 its reverse (3301231021101), we get a palindrome (4312432342134).

The spelling of 1011201321033 in words is "one trillion, eleven billion, two hundred one million, three hundred twenty-one thousand, thirty-three".