210111100102011 has 4 divisors (see below), whose sum is σ = 280148133469352. Its totient is φ = 140074066734672.

The previous prime is 210111100101971. The next prime is 210111100102031. The reversal of 210111100102011 is 110201001111012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 210111100102011 - 2³¹ = 210108952618363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210111100102031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35018516683666 + ... + 35018516683671.

It is an arithmetic number, because the mean of its divisors is an integer number (70037033367338).

Almost surely, 2^{210111100102011} is an apocalyptic number.

210111100102011 is a deficient number, since it is larger than the sum of its proper divisors (70037033367341).

210111100102011 is an equidigital number, since it uses as much as digits as its factorization.

210111100102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70037033367340.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 210111100102011 its reverse (110201001111012), we get a palindrome (320312101213023).

The spelling of 210111100102011 in words is "two hundred ten trillion, one hundred eleven billion, one hundred million, one hundred two thousand, eleven".