202111121022073 has 2 divisors, whose sum is σ = 202111121022074. Its totient is φ = 202111121022072.

The previous prime is 202111121022061. The next prime is 202111121022179. The reversal of 202111121022073 is 370220121111202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197394266785849 + 4716854236224 = 14049707^2 + 2171832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202111121022073 is a prime.

It is not a weakly prime, because it can be changed into another prime (202111121022053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055560511036 + 101055560511037.

It is an arithmetic number, because the mean of its divisors is an integer number (101055560511037).

Almost surely, 2^{202111121022073} is an apocalyptic number.

It is an amenable number.

202111121022073 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111121022073 is an equidigital number, since it uses as much as digits as its factorization.

202111121022073 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 25.

Adding to 202111121022073 its reverse (370220121111202), we get a palindrome (572331242133275).

The spelling of 202111121022073 in words is "two hundred two trillion, one hundred eleven billion, one hundred twenty-one million, twenty-two thousand, seventy-three".