1020112201019 has 4 divisors (see below), whose sum is σ = 1020129414744. Its totient is φ = 1020094987296.

The previous prime is 1020112200971. The next prime is 1020112201067. The reversal of 1020112201019 is 9101022110201.

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

It is an interprime number because it is at equal distance from previous prime (1020112200971) and next prime (1020112201067).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020112201019 is a prime.

It is a super-3 number, since 3×1020112201019³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020112201919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8517662 + ... + 8636595.

It is an arithmetic number, because the mean of its divisors is an integer number (255032353686).

Almost surely, 2^{1020112201019} is an apocalyptic number.

1020112201019 is a deficient number, since it is larger than the sum of its proper divisors (17213725).

1020112201019 is an equidigital number, since it uses as much as digits as its factorization.

1020112201019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17213724.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1020112201019 in words is "one trillion, twenty billion, one hundred twelve million, two hundred one thousand, nineteen".