2101202101213 has 2 divisors, whose sum is σ = 2101202101214. Its totient is φ = 2101202101212.

The previous prime is 2101202101199. The next prime is 2101202101237. The reversal of 2101202101213 is 3121012021012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2033823958884 + 67378142329 = 1426122^2 + 259573^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101202101213 - 2¹⁷ = 2101201970141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101202101513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050601050606 + 1050601050607.

It is an arithmetic number, because the mean of its divisors is an integer number (1050601050607).

Almost surely, 2^{2101202101213} is an apocalyptic number.

It is an amenable number.

2101202101213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101202101213 is an equidigital number, since it uses as much as digits as its factorization.

2101202101213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2101202101213 its reverse (3121012021012), we get a palindrome (5222214122225).

The spelling of 2101202101213 in words is "two trillion, one hundred one billion, two hundred two million, one hundred one thousand, two hundred thirteen".