22010101973 has 2 divisors, whose sum is σ = 22010101974. Its totient is φ = 22010101972.

The previous prime is 22010101951. The next prime is 22010102039. The reversal of 22010101973 is 37910101022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17726792164 + 4283309809 = 133142^2 + 65447^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010101973 - 2¹² = 22010097877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22010131973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005050986 + 11005050987.

It is an arithmetic number, because the mean of its divisors is an integer number (11005050987).

Almost surely, 2^22010101973 is an apocalyptic number.

It is an amenable number.

22010101973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010101973 is an equidigital number, since it uses as much as digits as its factorization.

22010101973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 22010101973 its reverse (37910101022), we get a palindrome (59920202995).

The spelling of 22010101973 in words is "twenty-two billion, ten million, one hundred one thousand, nine hundred seventy-three".