1111111122022 has 64 divisors (see below), whose sum is σ = 2030590114560. Its totient is φ = 449405107200.

The previous prime is 1111111122019. The next prime is 1111111122049. The reversal of 1111111122022 is 2202211111111.

It is a junction number, because it is equal to n+sod(n) for n = 1111111121987 and 1111111122005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3329818 + ... + 3648274.

It is an arithmetic number, because the mean of its divisors is an integer number (31727970540).

Almost surely, 2^{1111111122022} is an apocalyptic number.

1111111122022 is a deficient number, since it is larger than the sum of its proper divisors (919478992538).

1111111122022 is a wasteful number, since it uses less digits than its factorization.

1111111122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318997.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1111111122022 its reverse (2202211111111), we get a palindrome (3313322233133).

It can be divided in two parts, 11111111 and 22022, that multiplied together give a palindrome (244688886442).

The spelling of 1111111122022 in words is "one trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty-two thousand, twenty-two".