1002021212211 has 8 divisors (see below), whose sum is σ = 1340994931920. Its totient is φ = 665530816992.

The previous prime is 1002021212207. The next prime is 1002021212237. The reversal of 1002021212211 is 1122121202001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002021212211 - 2² = 1002021212207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002021212011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620830180 + ... + 620831793.

It is an arithmetic number, because the mean of its divisors is an integer number (167624366490).

Almost surely, 2^{1002021212211} is an apocalyptic number.

1002021212211 is a deficient number, since it is larger than the sum of its proper divisors (338973719709).

1002021212211 is a wasteful number, since it uses less digits than its factorization.

1002021212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241662245.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002021212211 its reverse (1122121202001), we get a palindrome (2124142414212).

The spelling of 1002021212211 in words is "one trillion, two billion, twenty-one million, two hundred twelve thousand, two hundred eleven".