11201101331 has 8 divisors (see below), whose sum is σ = 13475009280. Its totient is φ = 9095631048.

The previous prime is 11201101291. The next prime is 11201101343. The reversal of 11201101331 is 13310110211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11201101331 - 2²² = 11196907027 is a prime.

It is a super-2 number, since 2×11201101331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201101391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42109271 + ... + 42109536.

It is an arithmetic number, because the mean of its divisors is an integer number (1684376160).

Almost surely, 2^11201101331 is an apocalyptic number.

11201101331 is a deficient number, since it is larger than the sum of its proper divisors (2273907949).

11201101331 is an equidigital number, since it uses as much as digits as its factorization.

11201101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84218833.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11201101331 its reverse (13310110211), we get a palindrome (24511211542).

The spelling of 11201101331 in words is "eleven billion, two hundred one million, one hundred one thousand, three hundred thirty-one".