1002110012121 has 12 divisors (see below), whose sum is σ = 1396765816208. Its totient is φ = 639026673384.

The previous prime is 1002110012089. The next prime is 1002110012131. The reversal of 1002110012121 is 1212100112001.

1002110012121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1002110012121 - 2⁵ = 1002110012089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002110012097 and 1002110012106.

It is not an unprimeable number, because it can be changed into a prime (1002110012131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315723055 + ... + 315726228.

Almost surely, 2^{1002110012121} is an apocalyptic number.

It is an amenable number.

1002110012121 is a deficient number, since it is larger than the sum of its proper divisors (394655804087).

1002110012121 is an equidigital number, since it uses as much as digits as its factorization.

1002110012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631449332 (or 631449309 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1002110012121 its reverse (1212100112001), we get a palindrome (2214210124122).

The spelling of 1002110012121 in words is "one trillion, two billion, one hundred ten million, twelve thousand, one hundred twenty-one".