2221011212022 has 24 divisors (see below), whose sum is σ = 4978128579840. Its totient is φ = 714808206000.

The previous prime is 2221011212003. The next prime is 2221011212059. The reversal of 2221011212022 is 2202121101222.

It is a happy number.

2221011212022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2221011211986 and 2221011212004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2127404854 + ... + 2127405897.

It is an arithmetic number, because the mean of its divisors is an integer number (207422024160).

Almost surely, 2^{2221011212022} is an apocalyptic number.

2221011212022 is an abundant number, since it is smaller than the sum of its proper divisors (2757117367818).

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

2221011212022 is a wasteful number, since it uses less digits than its factorization.

2221011212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254810788 (or 4254810785 counting only the distinct ones).

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

Adding to 2221011212022 its reverse (2202121101222), we get a palindrome (4423132313244).

The spelling of 2221011212022 in words is "two trillion, two hundred twenty-one billion, eleven million, two hundred twelve thousand, twenty-two".