210022221002101 has 4 divisors (see below), whose sum is σ = 210423793126912. Its totient is φ = 209620648877292.

The previous prime is 210022221002021. The next prime is 210022221002107. The reversal of 210022221002101 is 101200122220012.

It is a happy number.

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 210022221002101 - 2⁹ = 210022221001589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022221002107) 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, 200786061621 + ... + 200786062666.

It is an arithmetic number, because the mean of its divisors is an integer number (52605948281728).

Almost surely, 2^{210022221002101} is an apocalyptic number.

It is an amenable number.

210022221002101 is a deficient number, since it is larger than the sum of its proper divisors (401572124811).

210022221002101 is an equidigital number, since it uses as much as digits as its factorization.

210022221002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401572124810.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210022221002101 its reverse (101200122220012), we get a palindrome (311222343222113).

The spelling of 210022221002101 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-one million, two thousand, one hundred one".