2222102212081 has 2 divisors, whose sum is σ = 2222102212082. Its totient is φ = 2222102212080.

The previous prime is 2222102212079. The next prime is 2222102212087. The reversal of 2222102212081 is 1802122012222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1602733212081 + 619369000000 = 1265991^2 + 787000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222102212081 - 2¹ = 2222102212079 is a prime.

It is a super-2 number, since 2×2222102212081² (a number of 25 digits) contains 22 as substring.

Together with 2222102212079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2222102212087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111051106040 + 1111051106041.

It is an arithmetic number, because the mean of its divisors is an integer number (1111051106041).

Almost surely, 2^{2222102212081} is an apocalyptic number.

It is an amenable number.

2222102212081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222102212081 is an equidigital number, since it uses as much as digits as its factorization.

2222102212081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 25.

The spelling of 2222102212081 in words is "two trillion, two hundred twenty-two billion, one hundred two million, two hundred twelve thousand, eighty-one".