221402421041302 has 8 divisors (see below), whose sum is σ = 332119620437112. Its totient is φ = 110695880895600.

The previous prime is 221402421041281. The next prime is 221402421041311. The reversal of 221402421041302 is 203140124204122.

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

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, 2664760599 + ... + 2664843682.

It is an arithmetic number, because the mean of its divisors is an integer number (41514952554639).

Almost surely, 2^{221402421041302} is an apocalyptic number.

221402421041302 is a deficient number, since it is larger than the sum of its proper divisors (110717199395810).

221402421041302 is a wasteful number, since it uses less digits than its factorization.

221402421041302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329625054.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 221402421041302 its reverse (203140124204122), we get a palindrome (424542545245424).

The spelling of 221402421041302 in words is "two hundred twenty-one trillion, four hundred two billion, four hundred twenty-one million, forty-one thousand, three hundred two".