211123331101019 has 2 divisors, whose sum is σ = 211123331101020. Its totient is φ = 211123331101018.

The previous prime is 211123331101013. The next prime is 211123331101043. The reversal of 211123331101019 is 910101133321112.

211123331101019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211123331101019 - 2²⁰ = 211123330052443 is a prime.

It is a super-2 number, since 2×211123331101019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211123331100982 and 211123331101000.

It is not a weakly prime, because it can be changed into another prime (211123331101013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561665550509 + 105561665550510.

It is an arithmetic number, because the mean of its divisors is an integer number (105561665550510).

Almost surely, 2^{211123331101019} is an apocalyptic number.

211123331101019 is a deficient number, since it is larger than the sum of its proper divisors (1).

211123331101019 is an equidigital number, since it uses as much as digits as its factorization.

211123331101019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 211123331101019 in words is "two hundred eleven trillion, one hundred twenty-three billion, three hundred thirty-one million, one hundred one thousand, nineteen".