22222021211122 has 8 divisors (see below), whose sum is σ = 33333064901676. Its totient is φ = 11110999577232.

The previous prime is 22222021211107. The next prime is 22222021211149. The reversal of 22222021211122 is 22111212022222.

It can be written as a sum of positive squares in 2 ways, for example, as 22127625408001 + 94395803121 = 4704001^2 + 307239^2 .

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 = 22222021211093 and 22222021211102.

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, 2710273 + ... + 7196500.

Almost surely, 2^{22222021211122} is an apocalyptic number.

22222021211122 is a deficient number, since it is larger than the sum of its proper divisors (11111043690554).

22222021211122 is a wasteful number, since it uses less digits than its factorization.

22222021211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11028332.

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

Adding to 22222021211122 its reverse (22111212022222), we get a palindrome (44333233233344).

The spelling of 22222021211122 in words is "twenty-two trillion, two hundred twenty-two billion, twenty-one million, two hundred eleven thousand, one hundred twenty-two".