1001122223222 has 12 divisors (see below), whose sum is σ = 1650610608108. Its totient is φ = 455055555900.

The previous prime is 1001122223221. The next prime is 1001122223261. The reversal of 1001122223222 is 2223222211001.

1001122223222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1001122223222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001122223194 and 1001122223203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001122223221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2068434104 + ... + 2068434587.

It is an arithmetic number, because the mean of its divisors is an integer number (137550884009).

Almost surely, 2^{1001122223222} is an apocalyptic number.

1001122223222 is a deficient number, since it is larger than the sum of its proper divisors (649488384886).

1001122223222 is a wasteful number, since it uses less digits than its factorization.

1001122223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136868715 (or 4136868704 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1001122223222 its reverse (2223222211001), we get a palindrome (3224344434223).

The spelling of 1001122223222 in words is "one trillion, one billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred twenty-two".