2002211101021 has 4 divisors (see below), whose sum is σ = 2009286052192. Its totient is φ = 1995136149852.

The previous prime is 2002211100997. The next prime is 2002211101031. The reversal of 2002211101021 is 1201011122002.

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 a cyclic number.

It is not a de Polignac number, because 2002211101021 - 2³⁹ = 1452455287133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002211100992 and 2002211101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002211101031) 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, 3537475161 + ... + 3537475726.

It is an arithmetic number, because the mean of its divisors is an integer number (502321513048).

Almost surely, 2^{2002211101021} is an apocalyptic number.

It is an amenable number.

2002211101021 is a deficient number, since it is larger than the sum of its proper divisors (7074951171).

2002211101021 is an equidigital number, since it uses as much as digits as its factorization.

2002211101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074951170.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2002211101021 its reverse (1201011122002), we get a palindrome (3203222223023).

The spelling of 2002211101021 in words is "two trillion, two billion, two hundred eleven million, one hundred one thousand, twenty-one".