2102200110281 has 2 divisors, whose sum is σ = 2102200110282. Its totient is φ = 2102200110280.

The previous prime is 2102200110259. The next prime is 2102200110293. The reversal of 2102200110281 is 1820110022012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1249680287881 + 852519822400 = 1117891^2 + 923320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102200110281 - 2²² = 2102195915977 is a prime.

It is a super-2 number, since 2×2102200110281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2102200110481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051100055140 + 1051100055141.

It is an arithmetic number, because the mean of its divisors is an integer number (1051100055141).

Almost surely, 2^{2102200110281} is an apocalyptic number.

It is an amenable number.

2102200110281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102200110281 is an equidigital number, since it uses as much as digits as its factorization.

2102200110281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 2102200110281 its reverse (1820110022012), we get a palindrome (3922310132293).

The spelling of 2102200110281 in words is "two trillion, one hundred two billion, two hundred million, one hundred ten thousand, two hundred eighty-one".