221010120022073 has 2 divisors, whose sum is σ = 221010120022074. Its totient is φ = 221010120022072.

The previous prime is 221010120022067. The next prime is 221010120022141. The reversal of 221010120022073 is 370220021010122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220944084899344 + 66035122729 = 14864188^2 + 256973^2 .

It is a cyclic number.

It is not a de Polignac number, because 221010120022073 - 2⁴ = 221010120022057 is a prime.

It is a super-2 number, since 2×221010120022073² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221010120022673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505060011036 + 110505060011037.

It is an arithmetic number, because the mean of its divisors is an integer number (110505060011037).

Almost surely, 2^{221010120022073} is an apocalyptic number.

It is an amenable number.

221010120022073 is a deficient number, since it is larger than the sum of its proper divisors (1).

221010120022073 is an equidigital number, since it uses as much as digits as its factorization.

221010120022073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 221010120022073 its reverse (370220021010122), we get a palindrome (591230141032195).

The spelling of 221010120022073 in words is "two hundred twenty-one trillion, ten billion, one hundred twenty million, twenty-two thousand, seventy-three".