1222100122022 has 64 divisors (see below), whose sum is σ = 2135231280000. Its totient is φ = 519891068928.

The previous prime is 1222100122021. The next prime is 1222100122097. The reversal of 1222100122022 is 2202210012221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222100122021) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 8757854 + ... + 8896302.

It is an arithmetic number, because the mean of its divisors is an integer number (33362988750).

Almost surely, 2^{1222100122022} is an apocalyptic number.

1222100122022 is a deficient number, since it is larger than the sum of its proper divisors (913131157978).

1222100122022 is a wasteful number, since it uses less digits than its factorization.

1222100122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139025.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222100122022 its reverse (2202210012221), we get a palindrome (3424310134243).

The spelling of 1222100122022 in words is "one trillion, two hundred twenty-two billion, one hundred million, one hundred twenty-two thousand, twenty-two".