3101102221381 has 2 divisors, whose sum is σ = 3101102221382. Its totient is φ = 3101102221380.

The previous prime is 3101102221379. The next prime is 3101102221397. The reversal of 3101102221381 is 1831222011013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2589363722500 + 511738498881 = 1609150^2 + 715359^2 .

It is an emirp because it is prime and its reverse (1831222011013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3101102221381 - 2¹ = 3101102221379 is a prime.

It is a super-2 number, since 2×3101102221381² (a number of 26 digits) contains 22 as substring.

Together with 3101102221379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3101102222381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550551110690 + 1550551110691.

It is an arithmetic number, because the mean of its divisors is an integer number (1550551110691).

Almost surely, 2^{3101102221381} is an apocalyptic number.

It is an amenable number.

3101102221381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3101102221381 is an equidigital number, since it uses as much as digits as its factorization.

3101102221381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 3101102221381 its reverse (1831222011013), we get a palindrome (4932324232394).

The spelling of 3101102221381 in words is "three trillion, one hundred one billion, one hundred two million, two hundred twenty-one thousand, three hundred eighty-one".