210001122010111 has 8 divisors (see below), whose sum is σ = 219131865810144. Its totient is φ = 200870399896320.

The previous prime is 210001122010079. The next prime is 210001122010129. The reversal of 210001122010111 is 111010221100012.

It is a happy number.

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 210001122010111 - 2⁵ = 210001122010079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210001122010091 and 210001122010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001122010151) 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, 16201671 + ... + 26124631.

It is an arithmetic number, because the mean of its divisors is an integer number (27391483226268).

Almost surely, 2^{210001122010111} is an apocalyptic number.

210001122010111 is a deficient number, since it is larger than the sum of its proper divisors (9130743800033).

210001122010111 is an equidigital number, since it uses as much as digits as its factorization.

210001122010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10843121.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210001122010111 its reverse (111010221100012), we get a palindrome (321011343110123).

The spelling of 210001122010111 in words is "two hundred ten trillion, one billion, one hundred twenty-two million, ten thousand, one hundred eleven".