2010111156481 has 2 divisors, whose sum is σ = 2010111156482. Its totient is φ = 2010111156480.

The previous prime is 2010111156479. The next prime is 2010111156499. The reversal of 2010111156481 is 1846511110102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1996543566081 + 13567590400 = 1412991^2 + 116480^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010111156481 - 2¹ = 2010111156479 is a prime.

It is a super-2 number, since 2×2010111156481² (a number of 25 digits) contains 22 as substring.

Together with 2010111156479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2010111156881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005055578240 + 1005055578241.

It is an arithmetic number, because the mean of its divisors is an integer number (1005055578241).

Almost surely, 2^{2010111156481} is an apocalyptic number.

It is an amenable number.

2010111156481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010111156481 is an equidigital number, since it uses as much as digits as its factorization.

2010111156481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 31.

Adding to 2010111156481 its reverse (1846511110102), we get a palindrome (3856622266583).

The spelling of 2010111156481 in words is "two trillion, ten billion, one hundred eleven million, one hundred fifty-six thousand, four hundred eighty-one".