11131303221001 has 4 divisors (see below), whose sum is σ = 11156430316752. Its totient is φ = 11106176125252.

The previous prime is 11131303220993. The next prime is 11131303221029. The reversal of 11131303221001 is 10012230313111.

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 a cyclic number.

It is not a de Polignac number, because 11131303221001 - 2³ = 11131303220993 is a prime.

It is a super-2 number, since 2×11131303221001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11131303221001.

It is not an unprimeable number, because it can be changed into a prime (11131303221041) 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, 12563547211 + ... + 12563548096.

It is an arithmetic number, because the mean of its divisors is an integer number (2789107579188).

Almost surely, 2^{11131303221001} is an apocalyptic number.

It is an amenable number.

11131303221001 is a deficient number, since it is larger than the sum of its proper divisors (25127095751).

11131303221001 is an equidigital number, since it uses as much as digits as its factorization.

11131303221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25127095750.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11131303221001 its reverse (10012230313111), we get a palindrome (21143533534112).

The spelling of 11131303221001 in words is "eleven trillion, one hundred thirty-one billion, three hundred three million, two hundred twenty-one thousand, one".