22211002121222 has 8 divisors (see below), whose sum is σ = 33317728540272. Its totient is φ = 11105092607800.

The previous prime is 22211002121153. The next prime is 22211002121237. The reversal of 22211002121222 is 22212120011222.

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 = 22211002121194 and 22211002121203.

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, 204158429 + ... + 204267192.

It is an arithmetic number, because the mean of its divisors is an integer number (4164716067534).

Almost surely, 2^{22211002121222} is an apocalyptic number.

22211002121222 is a deficient number, since it is larger than the sum of its proper divisors (11106726419050).

22211002121222 is a wasteful number, since it uses less digits than its factorization.

22211002121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408452814.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22211002121222 its reverse (22212120011222), we get a palindrome (44423122132444).

The spelling of 22211002121222 in words is "twenty-two trillion, two hundred eleven billion, two million, one hundred twenty-one thousand, two hundred twenty-two".