213121202111102 has 8 divisors (see below), whose sum is σ = 320647609219512. Its totient is φ = 106238665704600.

The previous prime is 213121202111087. The next prime is 213121202111159. The reversal of 213121202111102 is 201111202121312.

213121202111102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160967674649 + ... + 160967675972.

It is an arithmetic number, because the mean of its divisors is an integer number (40080951152439).

Almost surely, 2^{213121202111102} is an apocalyptic number.

213121202111102 is a deficient number, since it is larger than the sum of its proper divisors (107526407108410).

213121202111102 is a wasteful number, since it uses less digits than its factorization.

213121202111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321935350954.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 213121202111102 its reverse (201111202121312), we get a palindrome (414232404232414).

The spelling of 213121202111102 in words is "two hundred thirteen trillion, one hundred twenty-one billion, two hundred two million, one hundred eleven thousand, one hundred two".