213020444102 has 4 divisors (see below), whose sum is σ = 319530666156. Its totient is φ = 106510222050.

The previous prime is 213020444101. The next prime is 213020444123. The reversal of 213020444102 is 201444020312.

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 (213020444101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53255111024 + ... + 53255111027.

It is an arithmetic number, because the mean of its divisors is an integer number (79882666539).

Almost surely, 2^213020444102 is an apocalyptic number.

213020444102 is a deficient number, since it is larger than the sum of its proper divisors (106510222054).

213020444102 is a wasteful number, since it uses less digits than its factorization.

213020444102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106510222053.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 213020444102 its reverse (201444020312), we get a palindrome (414464464414).

The spelling of 213020444102 in words is "two hundred thirteen billion, twenty million, four hundred forty-four thousand, one hundred two".