21210131413202 has 8 divisors (see below), whose sum is σ = 33489681178800. Its totient is φ = 10046904353604.

The previous prime is 21210131413193. The next prime is 21210131413241. The reversal of 21210131413202 is 20231413101212.

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

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, 279080676452 + ... + 279080676527.

It is an arithmetic number, because the mean of its divisors is an integer number (4186210147350).

Almost surely, 2^{21210131413202} is an apocalyptic number.

21210131413202 is a deficient number, since it is larger than the sum of its proper divisors (12279549765598).

21210131413202 is a wasteful number, since it uses less digits than its factorization.

21210131413202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558161353000.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 21210131413202 its reverse (20231413101212), we get a palindrome (41441544514414).

The spelling of 21210131413202 in words is "twenty-one trillion, two hundred ten billion, one hundred thirty-one million, four hundred thirteen thousand, two hundred two".