11021433432121 has 4 divisors (see below), whose sum is σ = 12595923922432. Its totient is φ = 9446942941812.

The previous prime is 11021433432109. The next prime is 11021433432127. The reversal of 11021433432121 is 12123433412011.

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 11021433432121 - 2⁵ = 11021433432089 is a prime.

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 11021433432121.

It is not an unprimeable number, because it can be changed into a prime (11021433432127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787245245145 + ... + 787245245158.

It is an arithmetic number, because the mean of its divisors is an integer number (3148980980608).

Almost surely, 2^{11021433432121} is an apocalyptic number.

It is an amenable number.

11021433432121 is a deficient number, since it is larger than the sum of its proper divisors (1574490490311).

11021433432121 is an equidigital number, since it uses as much as digits as its factorization.

11021433432121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574490490310.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 11021433432121 its reverse (12123433412011), we get a palindrome (23144866844132).

The spelling of 11021433432121 in words is "eleven trillion, twenty-one billion, four hundred thirty-three million, four hundred thirty-two thousand, one hundred twenty-one".