101111009479019 has 2 divisors, whose sum is σ = 101111009479020. Its totient is φ = 101111009479018.

The previous prime is 101111009479009. The next prime is 101111009479033. The reversal of 101111009479019 is 910974900111101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101111009479019 - 2⁴⁴ = 83518823434603 is a prime.

It is a super-2 number, since 2×101111009479019² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (101111009479009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555504739509 + 50555504739510.

It is an arithmetic number, because the mean of its divisors is an integer number (50555504739510).

Almost surely, 2^{101111009479019} is an apocalyptic number.

101111009479019 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111009479019 is an equidigital number, since it uses as much as digits as its factorization.

101111009479019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 44.

The spelling of 101111009479019 in words is "one hundred one trillion, one hundred eleven billion, nine million, four hundred seventy-nine thousand, nineteen".