200122231115111 has 2 divisors, whose sum is σ = 200122231115112. Its totient is φ = 200122231115110.

The previous prime is 200122231115047. The next prime is 200122231115119. The reversal of 200122231115111 is 111511132221002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200122231115111 - 2⁶ = 200122231115047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200122231115119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061115557555 + 100061115557556.

It is an arithmetic number, because the mean of its divisors is an integer number (100061115557556).

Almost surely, 2^{200122231115111} is an apocalyptic number.

200122231115111 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122231115111 is an equidigital number, since it uses as much as digits as its factorization.

200122231115111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 200122231115111 its reverse (111511132221002), we get a palindrome (311633363336113).

The spelling of 200122231115111 in words is "two hundred trillion, one hundred twenty-two billion, two hundred thirty-one million, one hundred fifteen thousand, one hundred eleven".