111301212102019 has 4 divisors (see below), whose sum is σ = 111301233203880. Its totient is φ = 111301191000160.

The previous prime is 111301212102011. The next prime is 111301212102077. The reversal of 111301212102019 is 910201212103111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 111301212102019 - 2³ = 111301212102011 is a prime.

It is a super-2 number, since 2×111301212102019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111301212101984 and 111301212102002.

It is not an unprimeable number, because it can be changed into a prime (111301212102011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5058552 + ... + 15754090.

It is an arithmetic number, because the mean of its divisors is an integer number (27825308300970).

Almost surely, 2^{111301212102019} is an apocalyptic number.

111301212102019 is a deficient number, since it is larger than the sum of its proper divisors (21101861).

111301212102019 is a wasteful number, since it uses less digits than its factorization.

111301212102019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21101860.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 111301212102019 in words is "one hundred eleven trillion, three hundred one billion, two hundred twelve million, one hundred two thousand, nineteen".