1222011021022 has 16 divisors (see below), whose sum is σ = 2046157990272. Its totient is φ = 542541890520.

The previous prime is 1222011021019. The next prime is 1222011021047. The reversal of 1222011021022 is 2201201102221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1222011020987 and 1222011021005.

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, 645882258 + ... + 645884149.

It is an arithmetic number, because the mean of its divisors is an integer number (127884874392).

Almost surely, 2^{1222011021022} is an apocalyptic number.

1222011021022 is a deficient number, since it is larger than the sum of its proper divisors (824146969250).

1222011021022 is a wasteful number, since it uses less digits than its factorization.

1222011021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291766463.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222011021022 its reverse (2201201102221), we get a palindrome (3423212123243).

The spelling of 1222011021022 in words is "one trillion, two hundred twenty-two billion, eleven million, twenty-one thousand, twenty-two".