22221021211022 has 8 divisors (see below), whose sum is σ = 35292210158736. Its totient is φ = 10456951158112.

The previous prime is 22221021210961. The next prime is 22221021211049. The reversal of 22221021211022 is 22011212012222.

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 = 22221021210985 and 22221021211003.

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, 326779723658 + ... + 326779723725.

It is an arithmetic number, because the mean of its divisors is an integer number (4411526269842).

Almost surely, 2^{22221021211022} is an apocalyptic number.

22221021211022 is a deficient number, since it is larger than the sum of its proper divisors (13071188947714).

22221021211022 is a wasteful number, since it uses less digits than its factorization.

22221021211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653559447402.

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

Adding to 22221021211022 its reverse (22011212012222), we get a palindrome (44232233223244).

The spelling of 22221021211022 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-one million, two hundred eleven thousand, twenty-two".