211002200102021 has 8 divisors (see below), whose sum is σ = 212100886933824. Its totient is φ = 209903569056000.

The previous prime is 211002200102017. The next prime is 211002200102059. The reversal of 211002200102021 is 120201002200112.

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 211002200102021 - 2² = 211002200102017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211002200101987 and 211002200102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002200182021) 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, 6351281 + ... + 21502166.

It is an arithmetic number, because the mean of its divisors is an integer number (26512610866728).

Almost surely, 2^{211002200102021} is an apocalyptic number.

It is an amenable number.

211002200102021 is a deficient number, since it is larger than the sum of its proper divisors (1098686831803).

211002200102021 is a wasteful number, since it uses less digits than its factorization.

211002200102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27892891.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211002200102021 its reverse (120201002200112), we get a palindrome (331203202302133).

The spelling of 211002200102021 in words is "two hundred eleven trillion, two billion, two hundred million, one hundred two thousand, twenty-one".