210011021111101 has 12 divisors (see below), whose sum is σ = 245564330289852. Its totient is φ = 179076755225088.

The previous prime is 210011021111093. The next prime is 210011021111173. The reversal of 210011021111101 is 101111120110012.

It can be written as a sum of positive squares in 2 ways, for example, as 24848978765625 + 185162042345476 = 4984875^2 + 13607426^2 .

It is not a de Polignac number, because 210011021111101 - 2³ = 210011021111093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011021111201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11103459990 + ... + 11103478903.

It is an arithmetic number, because the mean of its divisors is an integer number (20463694190821).

Almost surely, 2^{210011021111101} is an apocalyptic number.

It is an amenable number.

210011021111101 is a deficient number, since it is larger than the sum of its proper divisors (35553309178751).

210011021111101 is a wasteful number, since it uses less digits than its factorization.

210011021111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22206939100 (or 22206939093 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 210011021111101 its reverse (101111120110012), we get a palindrome (311122141221113).

The spelling of 210011021111101 in words is "two hundred ten trillion, eleven billion, twenty-one million, one hundred eleven thousand, one hundred one".