22002121320455 has 8 divisors (see below), whose sum is σ = 27955636501392. Its totient is φ = 16566303111808.

The previous prime is 22002121320449. The next prime is 22002121320499. The reversal of 22002121320455 is 55402312120022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22002121320455 - 2⁸ = 22002121320199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129424242977 + ... + 129424243146.

It is an arithmetic number, because the mean of its divisors is an integer number (3494454562674).

Almost surely, 2^{22002121320455} is an apocalyptic number.

22002121320455 is a deficient number, since it is larger than the sum of its proper divisors (5953515180937).

22002121320455 is a wasteful number, since it uses less digits than its factorization.

22002121320455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258848486145.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 22002121320455 its reverse (55402312120022), we get a palindrome (77404433440477).

The spelling of 22002121320455 in words is "twenty-two trillion, two billion, one hundred twenty-one million, three hundred twenty thousand, four hundred fifty-five".