2102341402237 has 2 divisors, whose sum is σ = 2102341402238. Its totient is φ = 2102341402236.

The previous prime is 2102341402223. The next prime is 2102341402307. The reversal of 2102341402237 is 7322041432012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1640361546756 + 461979855481 = 1280766^2 + 679691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102341402237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102341402199 and 2102341402208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102341402037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051170701118 + 1051170701119.

It is an arithmetic number, because the mean of its divisors is an integer number (1051170701119).

Almost surely, 2^{2102341402237} is an apocalyptic number.

It is an amenable number.

2102341402237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102341402237 is an equidigital number, since it uses as much as digits as its factorization.

2102341402237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 2102341402237 its reverse (7322041432012), we get a palindrome (9424382834249).

The spelling of 2102341402237 in words is "two trillion, one hundred two billion, three hundred forty-one million, four hundred two thousand, two hundred thirty-seven".