213203100102 has 16 divisors (see below), whose sum is σ = 441109862640. Its totient is φ = 68617089632.

The previous prime is 213203100049. The next prime is 213203100107. The reversal of 213203100102 is 201001302312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213203100107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612652413 + ... + 612652760.

It is an arithmetic number, because the mean of its divisors is an integer number (27569366415).

Almost surely, 2^213203100102 is an apocalyptic number.

213203100102 is an abundant number, since it is smaller than the sum of its proper divisors (227906762538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213203100102 is a wasteful number, since it uses less digits than its factorization.

213203100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225305207.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 213203100102 its reverse (201001302312), we get a palindrome (414204402414).

The spelling of 213203100102 in words is "two hundred thirteen billion, two hundred three million, one hundred thousand, one hundred two".