2100202102213 has 2 divisors, whose sum is σ = 2100202102214.
Its totient is φ = 2100202102212.
The previous prime is 2100202102157. The next prime is 2100202102247. The reversal of 2100202102213 is 3122012020012.
Adding to 2100202102213 its reverse (3122012020012), we get a palindrome (5222214122225).
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1475624851009 + 624577251204 = 1214753^2 + 790302^2
It is a cyclic number.
It is not a de Polignac number, because 2100202102213 - 217 = 2100201971141 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2100202102253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050101051106 + 1050101051107.
It is an arithmetic number, because the mean of its divisors is an integer number (1050101051107).
Almost surely, 22100202102213 is an apocalyptic number.
It is an amenable number.
2100202102213 is a deficient number, since it is larger than the sum of its proper divisors (1).
2100202102213 is an equidigital number, since it uses as much as digits as its factorization.
2100202102213 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 16.
The spelling of 2100202102213 in words is "two trillion, one hundred billion, two hundred two million, one hundred two thousand, two hundred thirteen".