11331212030201 has 4 divisors (see below), whose sum is σ = 12949956605952. Its totient is φ = 9712467454452.

The previous prime is 11331212030197. The next prime is 11331212030273. The reversal of 11331212030201 is 10203021213311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11331212030201 - 2² = 11331212030197 is a prime.

It is a super-2 number, since 2×11331212030201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331212030401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809372287865 + ... + 809372287878.

It is an arithmetic number, because the mean of its divisors is an integer number (3237489151488).

Almost surely, 2^{11331212030201} is an apocalyptic number.

It is an amenable number.

11331212030201 is a deficient number, since it is larger than the sum of its proper divisors (1618744575751).

11331212030201 is an equidigital number, since it uses as much as digits as its factorization.

11331212030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618744575750.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11331212030201 its reverse (10203021213311), we get a palindrome (21534233243512).

The spelling of 11331212030201 in words is "eleven trillion, three hundred thirty-one billion, two hundred twelve million, thirty thousand, two hundred one".