11203022033081 has 4 divisors (see below), whose sum is σ = 11589333137700. Its totient is φ = 10816710928464.

The previous prime is 11203022033053. The next prime is 11203022033107. The reversal of 11203022033081 is 18033022030211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9368037525625 + 1834984507456 = 3060725^2 + 1354616^2 .

It is not a de Polignac number, because 11203022033081 - 2³⁰ = 11201948291257 is a prime.

It is a super-2 number, since 2×11203022033081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11203022033081.

It is not an unprimeable number, because it can be changed into a prime (11203022033011) 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, 193155552266 + ... + 193155552323.

It is an arithmetic number, because the mean of its divisors is an integer number (2897333284425).

Almost surely, 2^{11203022033081} is an apocalyptic number.

It is an amenable number.

11203022033081 is a deficient number, since it is larger than the sum of its proper divisors (386311104619).

11203022033081 is an equidigital number, since it uses as much as digits as its factorization.

11203022033081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386311104618.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 11203022033081 its reverse (18033022030211), we get a palindrome (29236044063292).

The spelling of 11203022033081 in words is "eleven trillion, two hundred three billion, twenty-two million, thirty-three thousand, eighty-one".