20111301210019 has 2 divisors, whose sum is σ = 20111301210020. Its totient is φ = 20111301210018.

The previous prime is 20111301209971. The next prime is 20111301210023. The reversal of 20111301210019 is 91001210311102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20111301210019 - 2¹¹ = 20111301207971 is a prime.

It is a super-2 number, since 2×20111301210019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20111301210919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055650605009 + 10055650605010.

It is an arithmetic number, because the mean of its divisors is an integer number (10055650605010).

Almost surely, 2^{20111301210019} is an apocalyptic number.

20111301210019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111301210019 is an equidigital number, since it uses as much as digits as its factorization.

20111301210019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 20111301210019 in words is "twenty trillion, one hundred eleven billion, three hundred one million, two hundred ten thousand, nineteen".