120101102019 has 24 divisors (see below), whose sum is σ = 190017977760. Its totient is φ = 72759015168.

The previous prime is 120101101957. The next prime is 120101102021. The reversal of 120101102019 is 910201101021.

It is a happy number.

It is not a de Polignac number, because 120101102019 - 2⁷ = 120101101891 is a prime.

It is a super-2 number, since 2×120101102019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120101101992 and 120101102010.

It is not an unprimeable number, because it can be changed into a prime (120101102029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13529607 + ... + 13538480.

It is an arithmetic number, because the mean of its divisors is an integer number (7917415740).

Almost surely, 2^120101102019 is an apocalyptic number.

120101102019 is a deficient number, since it is larger than the sum of its proper divisors (69916875741).

120101102019 is a wasteful number, since it uses less digits than its factorization.

120101102019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27068139 (or 27068136 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 120101102019 in words is "one hundred twenty billion, one hundred one million, one hundred two thousand, nineteen".