211443202102 has 16 divisors (see below), whose sum is σ = 346040657424. Its totient is φ = 96098688000.

The previous prime is 211443201967. The next prime is 211443202127. The reversal of 211443202102 is 201202344112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409299 + ... + 768382.

It is an arithmetic number, because the mean of its divisors is an integer number (21627541089).

Almost surely, 2^211443202102 is an apocalyptic number.

211443202102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211443202102 is a deficient number, since it is larger than the sum of its proper divisors (134597455322).

211443202102 is a wasteful number, since it uses less digits than its factorization.

211443202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185855.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 211443202102 its reverse (201202344112), we get a palindrome (412645546214).

The spelling of 211443202102 in words is "two hundred eleven billion, four hundred forty-three million, two hundred two thousand, one hundred two".