11033223221021 has 8 divisors (see below), whose sum is σ = 11065965899520. Its totient is φ = 11000514007872.

The previous prime is 11033223221003. The next prime is 11033223221023. The reversal of 11033223221021 is 12012232233011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11033223221021 - 2²² = 11033219026717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033223221023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7705901 + ... + 9024818.

It is an arithmetic number, because the mean of its divisors is an integer number (1383245737440).

Almost surely, 2^{11033223221021} is an apocalyptic number.

It is an amenable number.

11033223221021 is a deficient number, since it is larger than the sum of its proper divisors (32742678499).

11033223221021 is a wasteful number, since it uses less digits than its factorization.

11033223221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16732675.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11033223221021 its reverse (12012232233011), we get a palindrome (23045455454032).

The spelling of 11033223221021 in words is "eleven trillion, thirty-three billion, two hundred twenty-three million, two hundred twenty-one thousand, twenty-one".