1002002021211 has 4 divisors (see below), whose sum is σ = 1336002694952. Its totient is φ = 668001347472.

The previous prime is 1002002021183. The next prime is 1002002021263. The reversal of 1002002021211 is 1121202002001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1002002021211 - 2¹⁷ = 1002001890139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002002021281) 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, 167000336866 + ... + 167000336871.

It is an arithmetic number, because the mean of its divisors is an integer number (334000673738).

Almost surely, 2^{1002002021211} is an apocalyptic number.

1002002021211 is a deficient number, since it is larger than the sum of its proper divisors (334000673741).

1002002021211 is an equidigital number, since it uses as much as digits as its factorization.

1002002021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334000673740.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002002021211 its reverse (1121202002001), we get a palindrome (2123204023212).

The spelling of 1002002021211 in words is "one trillion, two billion, two million, twenty-one thousand, two hundred eleven".