22121013142222 has 8 divisors (see below), whose sum is σ = 33228854265672. Its totient is φ = 11044728387000.

The previous prime is 22121013142169. The next prime is 22121013142223. The reversal of 22121013142222 is 22224131012122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121013142223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7889090304 + ... + 7889093107.

It is an arithmetic number, because the mean of its divisors is an integer number (4153606783209).

Almost surely, 2^{22121013142222} is an apocalyptic number.

22121013142222 is a deficient number, since it is larger than the sum of its proper divisors (11107841123450).

22121013142222 is a wasteful number, since it uses less digits than its factorization.

22121013142222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15778184114.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 22121013142222 its reverse (22224131012122), we get a palindrome (44345144154344).

The spelling of 22121013142222 in words is "twenty-two trillion, one hundred twenty-one billion, thirteen million, one hundred forty-two thousand, two hundred twenty-two".