2121321213202 has 8 divisors (see below), whose sum is σ = 3182023076976. Its totient is φ = 1060646854212.

The previous prime is 2121321213197. The next prime is 2121321213211. The reversal of 2121321213202 is 2023121231212.

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, 6682288 + ... + 6992539.

It is an arithmetic number, because the mean of its divisors is an integer number (397752884622).

Almost surely, 2^{2121321213202} is an apocalyptic number.

2121321213202 is a deficient number, since it is larger than the sum of its proper divisors (1060701863774).

2121321213202 is a wasteful number, since it uses less digits than its factorization.

2121321213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13752392.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2121321213202 its reverse (2023121231212), we get a palindrome (4144442444414).

The spelling of 2121321213202 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred thirteen thousand, two hundred two".