2011021120019 has 2 divisors, whose sum is σ = 2011021120020. Its totient is φ = 2011021120018.

The previous prime is 2011021120013. The next prime is 2011021120021. The reversal of 2011021120019 is 9100211201102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011021120019 - 2²⁴ = 2011004342803 is a prime.

It is a super-2 number, since 2×2011021120019² (a number of 25 digits) contains 22 as substring.

Together with 2011021120021, 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 (2011021120013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005510560009 + 1005510560010.

It is an arithmetic number, because the mean of its divisors is an integer number (1005510560010).

Almost surely, 2^{2011021120019} is an apocalyptic number.

2011021120019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011021120019 is an equidigital number, since it uses as much as digits as its factorization.

2011021120019 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 2011021120019 in words is "two trillion, eleven billion, twenty-one million, one hundred twenty thousand, nineteen".