112100021021019 has 32 divisors (see below), whose sum is σ = 152293772574720. Its totient is φ = 73331535861792.

The previous prime is 112100021021017. The next prime is 112100021021029. The reversal of 112100021021019 is 910120120001211.

It is not a de Polignac number, because 112100021021019 - 2¹ = 112100021021017 is a prime.

It is a super-2 number, since 2×112100021021019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112100021020986 and 112100021021004.

It is not an unprimeable number, because it can be changed into a prime (112100021021017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1207056424 + ... + 1207149290.

It is an arithmetic number, because the mean of its divisors is an integer number (4759180392960).

Almost surely, 2^{112100021021019} is an apocalyptic number.

112100021021019 is a deficient number, since it is larger than the sum of its proper divisors (40193751553701).

112100021021019 is a wasteful number, since it uses less digits than its factorization.

112100021021019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124359.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 112100021021019 in words is "one hundred twelve trillion, one hundred billion, twenty-one million, twenty-one thousand, nineteen".