20022121003133 has 4 divisors (see below), whose sum is σ = 20228534621820. Its totient is φ = 19815707384448.

The previous prime is 20022121003127. The next prime is 20022121003141. The reversal of 20022121003133 is 33130012122002.

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 7918387765369 + 12103733237764 = 2813963^2 + 3479042^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022121003133 - 2¹⁰ = 20022121002109 is a prime.

It is a super-2 number, since 2×20022121003133² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022121003103) 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, 103206809198 + ... + 103206809391.

It is an arithmetic number, because the mean of its divisors is an integer number (5057133655455).

Almost surely, 2^{20022121003133} is an apocalyptic number.

It is an amenable number.

20022121003133 is a deficient number, since it is larger than the sum of its proper divisors (206413618687).

20022121003133 is an equidigital number, since it uses as much as digits as its factorization.

20022121003133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206413618686.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20022121003133 its reverse (33130012122002), we get a palindrome (53152133125135).

The spelling of 20022121003133 in words is "twenty trillion, twenty-two billion, one hundred twenty-one million, three thousand, one hundred thirty-three".