222222121101122 has 4 divisors (see below), whose sum is σ = 333333181651686. Its totient is φ = 111111060550560.

The previous prime is 222222121101089. The next prime is 222222121101139. The reversal of 222222121101122 is 221101121222222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 219328961638081 + 2893159463041 = 14809759^2 + 1700929^2 .

It is a super-2 number, since 2×222222121101122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555530275279 + ... + 55555530275282.

Almost surely, 2^{222222121101122} is an apocalyptic number.

222222121101122 is a deficient number, since it is larger than the sum of its proper divisors (111111060550564).

222222121101122 is a wasteful number, since it uses less digits than its factorization.

222222121101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111111060550563.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222222121101122 its reverse (221101121222222), we get a palindrome (443323242323344).

The spelling of 222222121101122 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-two".