1000111120121 has 8 divisors (see below), whose sum is σ = 1034703158400. Its totient is φ = 965526111760.

The previous prime is 1000111120103. The next prime is 1000111120123. The reversal of 1000111120121 is 1210211110001.

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 1000111120121 - 2¹⁰ = 1000111119097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000111120123) 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 7 ways as a sum of consecutive naturals, for example, 1467215 + ... + 2037876.

It is an arithmetic number, because the mean of its divisors is an integer number (129337894800).

Almost surely, 2^{1000111120121} is an apocalyptic number.

It is an amenable number.

1000111120121 is a deficient number, since it is larger than the sum of its proper divisors (34592038279).

1000111120121 is an equidigital number, since it uses as much as digits as its factorization.

1000111120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514959.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1000111120121 its reverse (1210211110001), we get a palindrome (2210322230122).

The spelling of 1000111120121 in words is "one trillion, one hundred eleven million, one hundred twenty thousand, one hundred twenty-one".