210111221132231 has 8 divisors (see below), whose sum is σ = 221169860698800. Its totient is φ = 199052596990080.

The previous prime is 210111221132159. The next prime is 210111221132237. The reversal of 210111221132231 is 132231122111012.

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

It is a cyclic number.

It is not a de Polignac number, because 210111221132231 - 2⁴⁶ = 139742476954567 is a prime.

It is a super-2 number, since 2×210111221132231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210111221132197 and 210111221132206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111221132237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33270365 + ... + 39078633.

It is an arithmetic number, because the mean of its divisors is an integer number (27646232587350).

Almost surely, 2^{210111221132231} is an apocalyptic number.

210111221132231 is a deficient number, since it is larger than the sum of its proper divisors (11058639566569).

210111221132231 is a wasteful number, since it uses less digits than its factorization.

210111221132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712209.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 210111221132231 its reverse (132231122111012), we get a palindrome (342342343243243).

The spelling of 210111221132231 in words is "two hundred ten trillion, one hundred eleven billion, two hundred twenty-one million, one hundred thirty-two thousand, two hundred thirty-one".