210221102100002 has 8 divisors (see below), whose sum is σ = 360379032171456. Its totient is φ = 90094758042852.

The previous prime is 210221102099971. The next prime is 210221102100017. The reversal of 210221102100002 is 200001201122012.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 15015793007143 = 210221102100002 / (2 + 1 + 0 + 2 + 2 + 1 + 1 + 0 + 2 + 1 + 0 + 0 + 0 + 0 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 210221102100002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7507896503558 + ... + 7507896503585.

It is an arithmetic number, because the mean of its divisors is an integer number (45047379021432).

Almost surely, 2^{210221102100002} is an apocalyptic number.

210221102100002 is a deficient number, since it is larger than the sum of its proper divisors (150157930071454).

210221102100002 is a wasteful number, since it uses less digits than its factorization.

210221102100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15015793007152.

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

Adding to 210221102100002 its reverse (200001201122012), we get a palindrome (410222303222014).

The spelling of 210221102100002 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred two million, one hundred thousand, two".