221222032002123 has 8 divisors (see below), whose sum is σ = 310487062459200. Its totient is φ = 139719178106568.

The previous prime is 221222032002121. The next prime is 221222032002143. The reversal of 221222032002123 is 321200230222122.

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

It is not a de Polignac number, because 221222032002123 - 2¹ = 221222032002121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221222032002093 and 221222032002102.

It is not an unprimeable number, because it can be changed into a prime (221222032002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940544140313 + ... + 1940544140426.

It is an arithmetic number, because the mean of its divisors is an integer number (38810882807400).

Almost surely, 2^{221222032002123} is an apocalyptic number.

221222032002123 is a deficient number, since it is larger than the sum of its proper divisors (89265030457077).

221222032002123 is a wasteful number, since it uses less digits than its factorization.

221222032002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881088280761.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 221222032002123 its reverse (321200230222122), we get a palindrome (542422262224245).

The spelling of 221222032002123 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, thirty-two million, two thousand, one hundred twenty-three".