210101020112111 has 16 divisors (see below), whose sum is σ = 220226589031680. Its totient is φ = 200205988899840.

The previous prime is 210101020112047. The next prime is 210101020112147. The reversal of 210101020112111 is 111211020101012.

It is a cyclic number.

It is not a de Polignac number, because 210101020112111 - 2⁶ = 210101020112047 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 (210101020112171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176744276 + ... + 177929033.

It is an arithmetic number, because the mean of its divisors is an integer number (13764161814480).

Almost surely, 2^{210101020112111} is an apocalyptic number.

210101020112111 is a deficient number, since it is larger than the sum of its proper divisors (10125568919569).

210101020112111 is a wasteful number, since it uses less digits than its factorization.

210101020112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354673634.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 210101020112111 its reverse (111211020101012), we get a palindrome (321312040213123).

The spelling of 210101020112111 in words is "two hundred ten trillion, one hundred one billion, twenty million, one hundred twelve thousand, one hundred eleven".