1122212021022 has 32 divisors (see below), whose sum is σ = 2494112924160. Its totient is φ = 374024408760.

The previous prime is 1122212020999. The next prime is 1122212021033. The reversal of 1122212021022 is 2201202122211.

It is a happy number.

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 = 1122212020986 and 1122212021004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843088 + ... + 1719075.

It is an arithmetic number, because the mean of its divisors is an integer number (77941028880).

Almost surely, 2^{1122212021022} is an apocalyptic number.

1122212021022 is an abundant number, since it is smaller than the sum of its proper divisors (1371900903138).

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

1122212021022 is a wasteful number, since it uses less digits than its factorization.

1122212021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570285 (or 2570279 counting only the distinct ones).

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

Adding to 1122212021022 its reverse (2201202122211), we get a palindrome (3323414143233).

The spelling of 1122212021022 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, twenty-one thousand, twenty-two".