11033032112021 has 4 divisors (see below), whose sum is σ = 11146774711212. Its totient is φ = 10919289512832.

The previous prime is 11033032111967. The next prime is 11033032112059. The reversal of 11033032112021 is 12021123033011.

It is a happy number.

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 8387041889521 + 2645990222500 = 2896039^2 + 1626650^2 .

It is a cyclic number.

It is not a de Polignac number, because 11033032112021 - 2⁶ = 11033032111957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11033032111984 and 11033032112002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033032118021) 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, 56871299450 + ... + 56871299643.

It is an arithmetic number, because the mean of its divisors is an integer number (2786693677803).

Almost surely, 2^{11033032112021} is an apocalyptic number.

It is an amenable number.

11033032112021 is a deficient number, since it is larger than the sum of its proper divisors (113742599191).

11033032112021 is an equidigital number, since it uses as much as digits as its factorization.

11033032112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113742599190.

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

Adding to 11033032112021 its reverse (12021123033011), we get a palindrome (23054155145032).

The spelling of 11033032112021 in words is "eleven trillion, thirty-three billion, thirty-two million, one hundred twelve thousand, twenty-one".