1222122011022 has 40 divisors (see below), whose sum is σ = 2987409364632. Its totient is φ = 370340002800.

The previous prime is 1222122011017. The next prime is 1222122011027. The reversal of 1222122011022 is 2201102212221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1222122011017) and next prime (1222122011027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1222122010986 and 1222122011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222122011027) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 342905629 + ... + 342909192.

Almost surely, 2^{1222122011022} is an apocalyptic number.

1222122011022 is an abundant number, since it is smaller than the sum of its proper divisors (1765287353610).

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

1222122011022 is a wasteful number, since it uses less digits than its factorization.

1222122011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685814846 (or 685814837 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1222122011022 its reverse (2201102212221), we get a palindrome (3423224223243).

It can be divided in two parts, 12221 and 22011022, that multiplied together give a palindrome (268996699862).

The spelling of 1222122011022 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, eleven thousand, twenty-two".