2111412141161 has 2 divisors, whose sum is σ = 2111412141162. Its totient is φ = 2111412141160.

The previous prime is 2111412141001. The next prime is 2111412141191. The reversal of 2111412141161 is 1611412141112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1525336152025 + 586075989136 = 1235045^2 + 765556^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111412141161 - 2³⁴ = 2094232271977 is a prime.

It is a super-2 number, since 2×2111412141161² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111412141161.

It is not a weakly prime, because it can be changed into another prime (2111412141191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055706070580 + 1055706070581.

It is an arithmetic number, because the mean of its divisors is an integer number (1055706070581).

Almost surely, 2^{2111412141161} is an apocalyptic number.

It is an amenable number.

2111412141161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111412141161 is an equidigital number, since it uses as much as digits as its factorization.

2111412141161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 26.

Adding to 2111412141161 its reverse (1611412141112), we get a palindrome (3722824282273).

The spelling of 2111412141161 in words is "two trillion, one hundred eleven billion, four hundred twelve million, one hundred forty-one thousand, one hundred sixty-one".