1000121110010 has 32 divisors (see below), whose sum is σ = 2079396194112. Its totient is φ = 342287438080.

The previous prime is 1000121110003. The next prime is 1000121110039. The reversal of 1000121110010 is 100111210001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000121110010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267410192 + ... + 267413931.

It is an arithmetic number, because the mean of its divisors is an integer number (64981131066).

Almost surely, 2^{1000121110010} is an apocalyptic number.

1000121110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000121110010 is an abundant number, since it is smaller than the sum of its proper divisors (1079275084102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000121110010 is a wasteful number, since it uses less digits than its factorization.

1000121110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534824158.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1000121110010 its reverse (100111210001), we get a palindrome (1100232320011).

Subtracting from 1000121110010 its reverse (100111210001), we obtain a palindrome (900009900009).

The spelling of 1000121110010 in words is "one trillion, one hundred twenty-one million, one hundred ten thousand, ten".