210111022101 has 32 divisors (see below), whose sum is σ = 289165344768. Its totient is φ = 135605171520.

The previous prime is 210111022097. The next prime is 210111022127. The reversal of 210111022101 is 101220111012.

210111022101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210111022101 - 2² = 210111022097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111022151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18317370 + ... + 18328836.

It is an arithmetic number, because the mean of its divisors is an integer number (9036417024).

Almost surely, 2^210111022101 is an apocalyptic number.

It is an amenable number.

210111022101 is a deficient number, since it is larger than the sum of its proper divisors (79054322667).

210111022101 is a wasteful number, since it uses less digits than its factorization.

210111022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12321.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210111022101 its reverse (101220111012), we get a palindrome (311331133113).

The spelling of 210111022101 in words is "two hundred ten billion, one hundred eleven million, twenty-two thousand, one hundred one".