20020100221133 has 2 divisors, whose sum is σ = 20020100221134. Its totient is φ = 20020100221132.

The previous prime is 20020100221087. The next prime is 20020100221169. The reversal of 20020100221133 is 33112200102002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11183018186404 + 8837082034729 = 3344102^2 + 2972723^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020100221133 - 2²² = 20020096026829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020100221193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010050110566 + 10010050110567.

It is an arithmetic number, because the mean of its divisors is an integer number (10010050110567).

Almost surely, 2^{20020100221133} is an apocalyptic number.

It is an amenable number.

20020100221133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020100221133 is an equidigital number, since it uses as much as digits as its factorization.

20020100221133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20020100221133 its reverse (33112200102002), we get a palindrome (53132300323135).

The spelling of 20020100221133 in words is "twenty trillion, twenty billion, one hundred million, two hundred twenty-one thousand, one hundred thirty-three".