211101102 has 12 divisors (see below), whose sum is σ = 457385760. Its totient is φ = 70367028.

The previous prime is 211101097. The next prime is 211101109. The reversal of 211101102 is 201101112.

It is a happy number.

211101102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211101102² = 89127350531228808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211101109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5863902 + ... + 5863937.

It is an arithmetic number, because the mean of its divisors is an integer number (38115480).

Almost surely, 2^211101102 is an apocalyptic number.

211101102 is an abundant number, since it is smaller than the sum of its proper divisors (246284658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211101102 is a wasteful number, since it uses less digits than its factorization.

211101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727847 (or 11727844 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 211101102 is about 14529.3187039173. The cubic root of 211101102 is about 595.4292521916.

Adding to 211101102 its reverse (201101112), we get a palindrome (412202214).

The spelling of 211101102 in words is "two hundred eleven million, one hundred one thousand, one hundred two".