213120421102 has 8 divisors (see below), whose sum is σ = 330704101800. Its totient is φ = 102885720504.

The previous prime is 213120421061. The next prime is 213120421117. The reversal of 213120421102 is 201124021312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 213120421102.

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, 1837244952 + ... + 1837245067.

It is an arithmetic number, because the mean of its divisors is an integer number (41338012725).

Almost surely, 2^213120421102 is an apocalyptic number.

213120421102 is a deficient number, since it is larger than the sum of its proper divisors (117583680698).

213120421102 is a wasteful number, since it uses less digits than its factorization.

213120421102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674490050.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 213120421102 its reverse (201124021312), we get a palindrome (414244442414).

The spelling of 213120421102 in words is "two hundred thirteen billion, one hundred twenty million, four hundred twenty-one thousand, one hundred two".