1011201113331 has 48 divisors (see below), whose sum is σ = 1526900094720. Its totient is φ = 643652982720.

The previous prime is 1011201113257. The next prime is 1011201113333. The reversal of 1011201113331 is 1333111021101.

1011201113331 is a `hidden beast` number, since 10 + 11 + 201 + 113 + 331 = 666.

It is not a de Polignac number, because 1011201113331 - 2¹³ = 1011201105139 is a prime.

It is a super-2 number, since 2×1011201113331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011201113333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455289801 + ... + 455292021.

It is an arithmetic number, because the mean of its divisors is an integer number (31810418640).

Almost surely, 2^{1011201113331} is an apocalyptic number.

1011201113331 is a deficient number, since it is larger than the sum of its proper divisors (515698981389).

1011201113331 is a wasteful number, since it uses less digits than its factorization.

1011201113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256 (or 5253 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1011201113331 its reverse (1333111021101), we get a palindrome (2344312134432).

The spelling of 1011201113331 in words is "one trillion, eleven billion, two hundred one million, one hundred thirteen thousand, three hundred thirty-one".