202011100111243 has 2 divisors, whose sum is σ = 202011100111244. Its totient is φ = 202011100111242.

The previous prime is 202011100111109. The next prime is 202011100111309. The reversal of 202011100111243 is 342111001110202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202011100111243 - 2²⁹ = 202010563240331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202011100111243.

It is not a weakly prime, because it can be changed into another prime (202011100111543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005550055621 + 101005550055622.

It is an arithmetic number, because the mean of its divisors is an integer number (101005550055622).

Almost surely, 2^{202011100111243} is an apocalyptic number.

202011100111243 is a deficient number, since it is larger than the sum of its proper divisors (1).

202011100111243 is an equidigital number, since it uses as much as digits as its factorization.

202011100111243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 202011100111243 its reverse (342111001110202), we get a palindrome (544122101221445).

The spelling of 202011100111243 in words is "two hundred two trillion, eleven billion, one hundred million, one hundred eleven thousand, two hundred forty-three".