1111221122022 has 24 divisors (see below), whose sum is σ = 2626522652520. Its totient is φ = 336733673280.

The previous prime is 1111221122003. The next prime is 1111221122029. The reversal of 1111221122022 is 2202211221111.

It is a super-2 number, since 2×1111221122022² (a number of 25 digits) contains 22 as substring.

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 = 1111221121986 and 1111221122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111221122029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2806113747 + ... + 2806114142.

It is an arithmetic number, because the mean of its divisors is an integer number (109438443855).

Almost surely, 2^{1111221122022} is an apocalyptic number.

1111221122022 is an abundant number, since it is smaller than the sum of its proper divisors (1515301530498).

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

1111221122022 is a wasteful number, since it uses less digits than its factorization.

1111221122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612227908 (or 5612227905 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1111221122022 its reverse (2202211221111), we get a palindrome (3313432343133).

The spelling of 1111221122022 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty-two".