202042450111 has 2 divisors, whose sum is σ = 202042450112. Its totient is φ = 202042450110.

The previous prime is 202042450087. The next prime is 202042450123. The reversal of 202042450111 is 111054240202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202042450111 - 2⁹ = 202042449599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202042456111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101021225055 + 101021225056.

It is an arithmetic number, because the mean of its divisors is an integer number (101021225056).

Almost surely, 2^202042450111 is an apocalyptic number.

202042450111 is a deficient number, since it is larger than the sum of its proper divisors (1).

202042450111 is an equidigital number, since it uses as much as digits as its factorization.

202042450111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 202042450111 its reverse (111054240202), we get a palindrome (313096690313).

The spelling of 202042450111 in words is "two hundred two billion, forty-two million, four hundred fifty thousand, one hundred eleven".