1002000211121 has 8 divisors (see below), whose sum is σ = 1233231029184. Its totient is φ = 792791375760.

The previous prime is 1002000211081. The next prime is 1002000211129. The reversal of 1002000211121 is 1211120002001.

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 1002000211121 - 2³⁰ = 1000926469297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002000211129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5505495575 + ... + 5505495756.

It is an arithmetic number, because the mean of its divisors is an integer number (154153878648).

Almost surely, 2^{1002000211121} is an apocalyptic number.

It is an amenable number.

1002000211121 is a deficient number, since it is larger than the sum of its proper divisors (231230818063).

1002000211121 is a wasteful number, since it uses less digits than its factorization.

1002000211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010991351.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1002000211121 its reverse (1211120002001), we get a palindrome (2213120213122).

It can be divided in two parts, 1002000 and 211121, that added together give a palindrome (1213121).

The spelling of 1002000211121 in words is "one trillion, two billion, two hundred eleven thousand, one hundred twenty-one".