1111112200061 has 2 divisors, whose sum is σ = 1111112200062. Its totient is φ = 1111112200060.

The previous prime is 1111112200021. The next prime is 1111112200069. The reversal of 1111112200061 is 1600022111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 929934277561 + 181177922500 = 964331^2 + 425650^2 .

It is an emirp because it is prime and its reverse (1600022111111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111112200061 - 2¹⁴ = 1111112183677 is a prime.

It is a super-2 number, since 2×1111112200061² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111112200069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555556100030 + 555556100031.

It is an arithmetic number, because the mean of its divisors is an integer number (555556100031).

Almost surely, 2^{1111112200061} is an apocalyptic number.

It is an amenable number.

1111112200061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111112200061 is an equidigital number, since it uses as much as digits as its factorization.

1111112200061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1111112200061 its reverse (1600022111111), we get a palindrome (2711134311172).

The spelling of 1111112200061 in words is "one trillion, one hundred eleven billion, one hundred twelve million, two hundred thousand, sixty-one".