1000220022112 has 24 divisors (see below), whose sum is σ = 1969248985200. Its totient is φ = 500093295744.

The previous prime is 1000220022097. The next prime is 1000220022119. The reversal of 1000220022112 is 2112200220001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000220022092 and 1000220022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000220022119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479589 + ... + 1493467.

It is an arithmetic number, because the mean of its divisors is an integer number (82052041050).

Almost surely, 2^{1000220022112} is an apocalyptic number.

It is an amenable number.

1000220022112 is a deficient number, since it is larger than the sum of its proper divisors (969028963088).

1000220022112 is a wasteful number, since it uses less digits than its factorization.

1000220022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044718 (or 1044710 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000220022112 its reverse (2112200220001), we get a palindrome (3112420242113).

The spelling of 1000220022112 in words is "one trillion, two hundred twenty million, twenty-two thousand, one hundred twelve".