22002121033 has 8 divisors (see below), whose sum is σ = 22037606280. Its totient is φ = 21966658560.

The previous prime is 22002121013. The next prime is 22002121067. The reversal of 22002121033 is 33012120022.

It can be written as a sum of positive squares in 4 ways, for example, as 6213695929 + 15788425104 = 78827^2 + 125652^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002121033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002120998 and 22002121016.

It is not an unprimeable number, because it can be changed into a prime (22002121013) 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, 3468841 + ... + 3475177.

It is an arithmetic number, because the mean of its divisors is an integer number (2754700785).

Almost surely, 2^22002121033 is an apocalyptic number.

It is an amenable number.

22002121033 is a deficient number, since it is larger than the sum of its proper divisors (35485247).

22002121033 is an equidigital number, since it uses as much as digits as its factorization.

22002121033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11387.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22002121033 its reverse (33012120022), we get a palindrome (55014241055).

The spelling of 22002121033 in words is "twenty-two billion, two million, one hundred twenty-one thousand, thirty-three".