213011213102 has 4 divisors (see below), whose sum is σ = 319516819656. Its totient is φ = 106505606550.

The previous prime is 213011213099. The next prime is 213011213123. The reversal of 213011213102 is 201312110312.

213011213102 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53252803274 + ... + 53252803277.

It is an arithmetic number, because the mean of its divisors is an integer number (79879204914).

Almost surely, 2^213011213102 is an apocalyptic number.

213011213102 is a deficient number, since it is larger than the sum of its proper divisors (106505606554).

213011213102 is a wasteful number, since it uses less digits than its factorization.

213011213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106505606553.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213011213102 its reverse (201312110312), we get a palindrome (414323323414).

The spelling of 213011213102 in words is "two hundred thirteen billion, eleven million, two hundred thirteen thousand, one hundred two".