210002221121101 has 16 divisors (see below), whose sum is σ = 226004497697088. Its totient is φ = 194405527468800.

The previous prime is 210002221121089. The next prime is 210002221121123. The reversal of 210002221121101 is 101121122200012.

It is a cyclic number.

It is not a de Polignac number, because 210002221121101 - 2¹⁹ = 210002220596813 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 (210002227121101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57216166 + ... + 60775768.

It is an arithmetic number, because the mean of its divisors is an integer number (14125281106068).

Almost surely, 2^{210002221121101} is an apocalyptic number.

It is an amenable number.

210002221121101 is a deficient number, since it is larger than the sum of its proper divisors (16002276575987).

210002221121101 is a wasteful number, since it uses less digits than its factorization.

210002221121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616572.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210002221121101 its reverse (101121122200012), we get a palindrome (311123343321113).

The spelling of 210002221121101 in words is "two hundred ten trillion, two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred one".