1220022011022 has 16 divisors (see below), whose sum is σ = 2524183471440. Its totient is φ = 392650762112.

The previous prime is 1220022010939. The next prime is 1220022011041. The reversal of 1220022011022 is 2201102200221.

It is a junction number, because it is equal to n+sod(n) for n = 1220022010992 and 1220022011010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3505810203 + ... + 3505810550.

It is an arithmetic number, because the mean of its divisors is an integer number (157761466965).

Almost surely, 2^{1220022011022} is an apocalyptic number.

1220022011022 is an abundant number, since it is smaller than the sum of its proper divisors (1304161460418).

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

1220022011022 is a wasteful number, since it uses less digits than its factorization.

1220022011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011620787.

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

Adding to 1220022011022 its reverse (2201102200221), we get a palindrome (3421124211243).

The spelling of 1220022011022 in words is "one trillion, two hundred twenty billion, twenty-two million, eleven thousand, twenty-two".