211413440102 has 4 divisors (see below), whose sum is σ = 317120160156. Its totient is φ = 105706720050.

The previous prime is 211413440099. The next prime is 211413440107. The reversal of 211413440102 is 201044314112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211413440107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52853360024 + ... + 52853360027.

It is an arithmetic number, because the mean of its divisors is an integer number (79280040039).

Almost surely, 2^211413440102 is an apocalyptic number.

211413440102 is a deficient number, since it is larger than the sum of its proper divisors (105706720054).

211413440102 is a wasteful number, since it uses less digits than its factorization.

211413440102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105706720053.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 211413440102 its reverse (201044314112), we get a palindrome (412457754214).

The spelling of 211413440102 in words is "two hundred eleven billion, four hundred thirteen million, four hundred forty thousand, one hundred two".