22102212121222 has 8 divisors (see below), whose sum is σ = 33153448536000. Its totient is φ = 11051062609224.

The previous prime is 22102212121181. The next prime is 22102212121259. The reversal of 22102212121222 is 22212121220122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22102212121193 and 22102212121202.

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, 21086097 + ... + 22109452.

It is an arithmetic number, because the mean of its divisors is an integer number (4144181067000).

Almost surely, 2^{22102212121222} is an apocalyptic number.

22102212121222 is a deficient number, since it is larger than the sum of its proper divisors (11051236414778).

22102212121222 is a wasteful number, since it uses less digits than its factorization.

22102212121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43451390.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22102212121222 its reverse (22212121220122), we get a palindrome (44314333341344).

The spelling of 22102212121222 in words is "twenty-two trillion, one hundred two billion, two hundred twelve million, one hundred twenty-one thousand, two hundred twenty-two".