213011002102 has 4 divisors (see below), whose sum is σ = 319516503156. Its totient is φ = 106505501050.

The previous prime is 213011002079. The next prime is 213011002111. The reversal of 213011002102 is 201200110312.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 53252750524 + ... + 53252750527.

It is an arithmetic number, because the mean of its divisors is an integer number (79879125789).

Almost surely, 2^213011002102 is an apocalyptic number.

213011002102 is a deficient number, since it is larger than the sum of its proper divisors (106505501054).

213011002102 is a wasteful number, since it uses less digits than its factorization.

213011002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106505501053.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 213011002102 its reverse (201200110312), we get a palindrome (414211112414).

The spelling of 213011002102 in words is "two hundred thirteen billion, eleven million, two thousand, one hundred two".