133022110021 has 2 divisors, whose sum is σ = 133022110022. Its totient is φ = 133022110020.

The previous prime is 133022109991. The next prime is 133022110037. The reversal of 133022110021 is 120011220331.

It is an a-pointer prime, because the next prime (133022110037) can be obtained adding 133022110021 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129086429796 + 3935680225 = 359286^2 + 62735^2 .

It is a cyclic number.

It is not a de Polignac number, because 133022110021 - 2¹¹ = 133022107973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133022109977 and 133022110004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133022116021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66511055010 + 66511055011.

It is an arithmetic number, because the mean of its divisors is an integer number (66511055011).

Almost surely, 2^133022110021 is an apocalyptic number.

It is an amenable number.

133022110021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133022110021 is an equidigital number, since it uses as much as digits as its factorization.

133022110021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 133022110021 its reverse (120011220331), we get a palindrome (253033330352).

The spelling of 133022110021 in words is "one hundred thirty-three billion, twenty-two million, one hundred ten thousand, twenty-one".