111132020212949 has 2 divisors, whose sum is σ = 111132020212950. Its totient is φ = 111132020212948.

The previous prime is 111132020212943. The next prime is 111132020213033. The reversal of 111132020212949 is 949212020231111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78496587628900 + 32635432584049 = 8859830^2 + 5712743^2 .

It is a cyclic number.

It is not a de Polignac number, because 111132020212949 - 2²⁰ = 111132019164373 is a prime.

It is a super-2 number, since 2×111132020212949² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111132020212943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55566010106474 + 55566010106475.

It is an arithmetic number, because the mean of its divisors is an integer number (55566010106475).

Almost surely, 2^{111132020212949} is an apocalyptic number.

It is an amenable number.

111132020212949 is a deficient number, since it is larger than the sum of its proper divisors (1).

111132020212949 is an equidigital number, since it uses as much as digits as its factorization.

111132020212949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 111132020212949 in words is "one hundred eleven trillion, one hundred thirty-two billion, twenty million, two hundred twelve thousand, nine hundred forty-nine".