1222000021122 has 8 divisors (see below), whose sum is σ = 2444000042256. Its totient is φ = 407333340372.

The previous prime is 1222000021093. The next prime is 1222000021129. The reversal of 1222000021122 is 2211200002221.

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

1222000021122 is an admirable number.

It is a super-2 number, since 2×1222000021122² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222000021129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101833335088 + ... + 101833335099.

It is an arithmetic number, because the mean of its divisors is an integer number (305500005282).

Almost surely, 2^{1222000021122} is an apocalyptic number.

1222000021122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222000021122 is a wasteful number, since it uses less digits than its factorization.

1222000021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203666670192.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1222000021122 its reverse (2211200002221), we get a palindrome (3433200023343).

The spelling of 1222000021122 in words is "one trillion, two hundred twenty-two billion, twenty-one thousand, one hundred twenty-two".