111201012029 has 2 divisors, whose sum is σ = 111201012030. Its totient is φ = 111201012028.

The previous prime is 111201012011. The next prime is 111201012061. The reversal of 111201012029 is 920210102111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79313767129 + 31887244900 = 281627^2 + 178570^2 .

It is an emirp because it is prime and its reverse (920210102111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111201012029 - 2²⁰ = 111199963453 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111201012029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111201017029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600506014 + 55600506015.

It is an arithmetic number, because the mean of its divisors is an integer number (55600506015).

Almost surely, 2^111201012029 is an apocalyptic number.

It is an amenable number.

111201012029 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201012029 is an equidigital number, since it uses as much as digits as its factorization.

111201012029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 111201012029 in words is "one hundred eleven billion, two hundred one million, twelve thousand, twenty-nine".