1002211112021 has 8 divisors (see below), whose sum is σ = 1164160917504. Its totient is φ = 844955503920.

The previous prime is 1002211112017. The next prime is 1002211112029. The reversal of 1002211112021 is 1202111122001.

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 1002211112021 - 2² = 1002211112017 is a prime.

It is a super-2 number, since 2×1002211112021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002211111987 and 1002211112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002211112029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173548885 + ... + 1173549738.

It is an arithmetic number, because the mean of its divisors is an integer number (145520114688).

Almost surely, 2^{1002211112021} is an apocalyptic number.

It is an amenable number.

1002211112021 is a deficient number, since it is larger than the sum of its proper divisors (161949805483).

1002211112021 is an equidigital number, since it uses as much as digits as its factorization.

1002211112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347098691.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1002211112021 its reverse (1202111122001), we get a palindrome (2204322234022).

The spelling of 1002211112021 in words is "one trillion, two billion, two hundred eleven million, one hundred twelve thousand, twenty-one".