213421102 has 4 divisors (see below), whose sum is σ = 320131656. Its totient is φ = 106710550.

The previous prime is 213421099. The next prime is 213421123. The reversal of 213421102 is 201124312.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53355274 + ... + 53355277.

It is an arithmetic number, because the mean of its divisors is an integer number (80032914).

Almost surely, 2^213421102 is an apocalyptic number.

213421102 is a deficient number, since it is larger than the sum of its proper divisors (106710554).

213421102 is a wasteful number, since it uses less digits than its factorization.

213421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106710553.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 213421102 is about 14608.9391127487. The cubic root of 213421102 is about 597.6025647475.

Adding to 213421102 its reverse (201124312), we get a palindrome (414545414).

The spelling of 213421102 in words is "two hundred thirteen million, four hundred twenty-one thousand, one hundred two".