213111023102 has 8 divisors (see below), whose sum is σ = 319683684312. Its totient is φ = 106549795000.

The previous prime is 213111023063. The next prime is 213111023107. The reversal of 213111023102 is 201320111312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213111023107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811524 + ... + 2886327.

It is an arithmetic number, because the mean of its divisors is an integer number (39960460539).

Almost surely, 2^213111023102 is an apocalyptic number.

213111023102 is a deficient number, since it is larger than the sum of its proper divisors (106572661210).

213111023102 is a wasteful number, since it uses less digits than its factorization.

213111023102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716554.

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

Adding to 213111023102 its reverse (201320111312), we get a palindrome (414431134414).

The spelling of 213111023102 in words is "two hundred thirteen billion, one hundred eleven million, twenty-three thousand, one hundred two".