2101111102 has 8 divisors (see below), whose sum is σ = 3156930000. Its totient is φ = 1048801104.

The previous prime is 2101111099. The next prime is 2101111109. The reversal of 2101111102 is 2011111012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2101111102³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101111109) 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 3 ways as a sum of consecutive naturals, for example, 875727 + ... + 878122.

It is an arithmetic number, because the mean of its divisors is an integer number (394616250).

Almost surely, 2^2101111102 is an apocalyptic number.

2101111102 is a deficient number, since it is larger than the sum of its proper divisors (1055818898).

2101111102 is a wasteful number, since it uses less digits than its factorization.

2101111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754450.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 2101111102 is about 45837.8784631226. The cubic root of 2101111102 is about 1280.8049750197.

Adding to 2101111102 its reverse (2011111012), we get a palindrome (4112222114).

The spelling of 2101111102 in words is "two billion, one hundred one million, one hundred eleven thousand, one hundred two".