20221111010873 has 2 divisors, whose sum is σ = 20221111010874. Its totient is φ = 20221111010872.

The previous prime is 20221111010861. The next prime is 20221111010917. The reversal of 20221111010873 is 37801011112202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17203813471504 + 3017297539369 = 4147748^2 + 1737037^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221111010873 - 2²⁶ = 20221043902009 is a prime.

It is not a weakly prime, because it can be changed into another prime (20221111010833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110555505436 + 10110555505437.

It is an arithmetic number, because the mean of its divisors is an integer number (10110555505437).

Almost surely, 2^{20221111010873} is an apocalyptic number.

It is an amenable number.

20221111010873 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221111010873 is an equidigital number, since it uses as much as digits as its factorization.

20221111010873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 29.

The spelling of 20221111010873 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, ten thousand, eight hundred seventy-three".