210110132321221 has 16 divisors (see below), whose sum is σ = 229238539920000. Its totient is φ = 190986307499520.

The previous prime is 210110132321203. The next prime is 210110132321227. The reversal of 210110132321221 is 122123231011012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210110132321221 - 2¹⁵ = 210110132288453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210110132321192 and 210110132321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210110132321227) 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, 5911417176 + ... + 5911452718.

It is an arithmetic number, because the mean of its divisors is an integer number (14327408745000).

Almost surely, 2^{210110132321221} is an apocalyptic number.

It is an amenable number.

210110132321221 is a deficient number, since it is larger than the sum of its proper divisors (19128407598779).

210110132321221 is a wasteful number, since it uses less digits than its factorization.

210110132321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84876.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 210110132321221 its reverse (122123231011012), we get a palindrome (332233363332233).

The spelling of 210110132321221 in words is "two hundred ten trillion, one hundred ten billion, one hundred thirty-two million, three hundred twenty-one thousand, two hundred twenty-one".