1000121110 has 8 divisors (see below), whose sum is σ = 1800218016. Its totient is φ = 400048440.

The previous prime is 1000121093. The next prime is 1000121113. The reversal of 1000121110 is 111210001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1000121093 and 1000121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000121113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50006046 + ... + 50006065.

It is an arithmetic number, because the mean of its divisors is an integer number (225027252).

Almost surely, 2^1000121110 is an apocalyptic number.

1000121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000121110 is a deficient number, since it is larger than the sum of its proper divisors (800096906).

1000121110 is a wasteful number, since it uses less digits than its factorization.

1000121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100012118.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1000121110 is about 31624.6914609455. The cubic root of 1000121110 is about 1000.0403683704.

Adding to 1000121110 its reverse (111210001), we get a palindrome (1111331111).

The spelling of 1000121110 in words is "one billion, one hundred twenty-one thousand, one hundred ten".