2121403650346 has 8 divisors (see below), whose sum is σ = 3182113063584. Its totient is φ = 1060699295820.

The previous prime is 2121403650329. The next prime is 2121403650367. The reversal of 2121403650346 is 6430563041212.

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, 62101 + ... + 2060743.

It is an arithmetic number, because the mean of its divisors is an integer number (397764132948).

Almost surely, 2^{2121403650346} is an apocalyptic number.

2121403650346 is a deficient number, since it is larger than the sum of its proper divisors (1060709413238).

2121403650346 is a wasteful number, since it uses less digits than its factorization.

2121403650346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529356.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 2121403650346 its reverse (6430563041212), we get a palindrome (8551966691558).

The spelling of 2121403650346 in words is "two trillion, one hundred twenty-one billion, four hundred three million, six hundred fifty thousand, three hundred forty-six".