210232220101 has 4 divisors (see below), whose sum is σ = 210245316012. Its totient is φ = 210219124192.

The previous prime is 210232220087. The next prime is 210232220113. The reversal of 210232220101 is 101022232012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125100153025 + 85132067076 = 353695^2 + 291774^2 .

It is a cyclic number.

It is not a de Polignac number, because 210232220101 - 2¹⁹ = 210231695813 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 (210232220141) 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, 6523846 + ... + 6555991.

It is an arithmetic number, because the mean of its divisors is an integer number (52561329003).

Almost surely, 2^210232220101 is an apocalyptic number.

It is an amenable number.

210232220101 is a deficient number, since it is larger than the sum of its proper divisors (13095911).

210232220101 is a wasteful number, since it uses less digits than its factorization.

210232220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13095910.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210232220101 its reverse (101022232012), we get a palindrome (311254452113).

The spelling of 210232220101 in words is "two hundred ten billion, two hundred thirty-two million, two hundred twenty thousand, one hundred one".