20120110999 has 8 divisors (see below), whose sum is σ = 20907250560. Its totient is φ = 19339194336.

The previous prime is 20120110981. The next prime is 20120111003. The reversal of 20120110999 is 99901102102.

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 20120110999 - 2¹¹ = 20120108951 is a prime.

It is a super-2 number, since 2×20120110999² (a number of 21 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 (20120110909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549132 + ... + 1562065.

It is an arithmetic number, because the mean of its divisors is an integer number (2613406320).

Almost surely, 2^20120110999 is an apocalyptic number.

20120110999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20120110999 is a deficient number, since it is larger than the sum of its proper divisors (787139561).

20120110999 is a wasteful number, since it uses less digits than its factorization.

20120110999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111449.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 20120110999 in words is "twenty billion, one hundred twenty million, one hundred ten thousand, nine hundred ninety-nine".