1021110112199 has 8 divisors (see below), whose sum is σ = 1026000729600. Its totient is φ = 1016222277816.

The previous prime is 1021110112193. The next prime is 1021110112207. The reversal of 1021110112199 is 9912110111201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021110112199 - 2⁸ = 1021110111943 is a prime.

It is a super-2 number, since 2×1021110112199² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021110112193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41684 + ... + 1429670.

It is an arithmetic number, because the mean of its divisors is an integer number (128250091200).

Almost surely, 2^{1021110112199} is an apocalyptic number.

1021110112199 is a deficient number, since it is larger than the sum of its proper divisors (4890617401).

1021110112199 is a wasteful number, since it uses less digits than its factorization.

1021110112199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391509.

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 1021110112199 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred twelve thousand, one hundred ninety-nine".