1112021011019 has 2 divisors, whose sum is σ = 1112021011020. Its totient is φ = 1112021011018.

The previous prime is 1112021011009. The next prime is 1112021011021. The reversal of 1112021011019 is 9101101202111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112021011019 is a prime.

It is a super-2 number, since 2×1112021011019² (a number of 25 digits) contains 22 as substring.

Together with 1112021011021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1112021011009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556010505509 + 556010505510.

It is an arithmetic number, because the mean of its divisors is an integer number (556010505510).

Almost surely, 2^{1112021011019} is an apocalyptic number.

1112021011019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112021011019 is an equidigital number, since it uses as much as digits as its factorization.

1112021011019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 1112021011019 in words is "one trillion, one hundred twelve billion, twenty-one million, eleven thousand, nineteen".