202113120003209 has 2 divisors, whose sum is σ = 202113120003210. Its totient is φ = 202113120003208.

The previous prime is 202113120003181. The next prime is 202113120003247. The reversal of 202113120003209 is 902300021311202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185591496500809 + 16521623502400 = 13623197^2 + 4064680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202113120003209 is a prime.

It is not a weakly prime, because it can be changed into another prime (202113120053209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056560001604 + 101056560001605.

It is an arithmetic number, because the mean of its divisors is an integer number (101056560001605).

Almost surely, 2^{202113120003209} is an apocalyptic number.

It is an amenable number.

202113120003209 is a deficient number, since it is larger than the sum of its proper divisors (1).

202113120003209 is an equidigital number, since it uses as much as digits as its factorization.

202113120003209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 202113120003209 in words is "two hundred two trillion, one hundred thirteen billion, one hundred twenty million, three thousand, two hundred nine".