1011222212022 has 24 divisors (see below), whose sum is σ = 2390161592520. Its totient is φ = 306430973280.

The previous prime is 1011222211957. The next prime is 1011222212023. The reversal of 1011222212022 is 2202122221101.

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 = 1011222211986 and 1011222212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011222212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2553591247 + ... + 2553591642.

It is an arithmetic number, because the mean of its divisors is an integer number (99590066355).

Almost surely, 2^{1011222212022} is an apocalyptic number.

1011222212022 is an abundant number, since it is smaller than the sum of its proper divisors (1378939380498).

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

1011222212022 is a wasteful number, since it uses less digits than its factorization.

1011222212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107182908 (or 5107182905 counting only the distinct ones).

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

Adding to 1011222212022 its reverse (2202122221101), we get a palindrome (3213344433123).

The spelling of 1011222212022 in words is "one trillion, eleven billion, two hundred twenty-two million, two hundred twelve thousand, twenty-two".