202100112121247 has 2 divisors, whose sum is σ = 202100112121248. Its totient is φ = 202100112121246.

The previous prime is 202100112121169. The next prime is 202100112121291. The reversal of 202100112121247 is 742121211001202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202100112121247 - 2¹⁰ = 202100112120223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202100112121447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050056060623 + 101050056060624.

It is an arithmetic number, because the mean of its divisors is an integer number (101050056060624).

Almost surely, 2^{202100112121247} is an apocalyptic number.

202100112121247 is a deficient number, since it is larger than the sum of its proper divisors (1).

202100112121247 is an equidigital number, since it uses as much as digits as its factorization.

202100112121247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 202100112121247 its reverse (742121211001202), we get a palindrome (944221323122449).

The spelling of 202100112121247 in words is "two hundred two trillion, one hundred billion, one hundred twelve million, one hundred twenty-one thousand, two hundred forty-seven".