110101020019 has 4 divisors (see below), whose sum is σ = 110143713960. Its totient is φ = 110058326080.

The previous prime is 110101019983. The next prime is 110101020031. The reversal of 110101020019 is 910020101011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110101020019 - 2⁷ = 110101019891 is a prime.

It is a super-2 number, since 2×110101020019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110101019984 and 110101020011.

It is not an unprimeable number, because it can be changed into a prime (110101020059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21343102 + ... + 21348259.

It is an arithmetic number, because the mean of its divisors is an integer number (27535928490).

Almost surely, 2^110101020019 is an apocalyptic number.

110101020019 is a deficient number, since it is larger than the sum of its proper divisors (42693941).

110101020019 is an equidigital number, since it uses as much as digits as its factorization.

110101020019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42693940.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 110101020019 in words is "one hundred ten billion, one hundred one million, twenty thousand, nineteen".