1002010211121 has 4 divisors (see below), whose sum is σ = 1336013614832. Its totient is φ = 668006807412.

The previous prime is 1002010211117. The next prime is 1002010211129. The reversal of 1002010211121 is 1211120102001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1002010211121 - 2² = 1002010211117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002010211097 and 1002010211106.

It is not an unprimeable number, because it can be changed into a prime (1002010211129) 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, 167001701851 + ... + 167001701856.

It is an arithmetic number, because the mean of its divisors is an integer number (334003403708).

Almost surely, 2^{1002010211121} is an apocalyptic number.

It is an amenable number.

1002010211121 is a deficient number, since it is larger than the sum of its proper divisors (334003403711).

1002010211121 is an equidigital number, since it uses as much as digits as its factorization.

1002010211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334003403710.

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

Adding to 1002010211121 its reverse (1211120102001), we get a palindrome (2213130313122).

The spelling of 1002010211121 in words is "one trillion, two billion, ten million, two hundred eleven thousand, one hundred twenty-one".