221202413321402 has 8 divisors (see below), whose sum is σ = 331881307566912. Its totient is φ = 110575310799100.

The previous prime is 221202413321399. The next prime is 221202413321411. The reversal of 221202413321402 is 204123314202122.

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, 12947920124 + ... + 12947937207.

It is an arithmetic number, because the mean of its divisors is an integer number (41485163445864).

Almost surely, 2^{221202413321402} is an apocalyptic number.

221202413321402 is a deficient number, since it is larger than the sum of its proper divisors (110678894245510).

221202413321402 is a wasteful number, since it uses less digits than its factorization.

221202413321402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25895861604.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 221202413321402 its reverse (204123314202122), we get a palindrome (425325727523524).

The spelling of 221202413321402 in words is "two hundred twenty-one trillion, two hundred two billion, four hundred thirteen million, three hundred twenty-one thousand, four hundred two".