1111022222001 has 16 divisors (see below), whose sum is σ = 1568536732800. Its totient is φ = 697096528128.

The previous prime is 1111022221979. The next prime is 1111022222003. The reversal of 1111022222001 is 1002222201111.

It is not a de Polignac number, because 1111022222001 - 2⁷ = 1111022221873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111022222003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2352015 + ... + 2784603.

It is an arithmetic number, because the mean of its divisors is an integer number (98033545800).

Almost surely, 2^{1111022222001} is an apocalyptic number.

It is an amenable number.

1111022222001 is a deficient number, since it is larger than the sum of its proper divisors (457514510799).

1111022222001 is a wasteful number, since it uses less digits than its factorization.

1111022222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482968.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1111022222001 its reverse (1002222201111), we get a palindrome (2113244423112).

The spelling of 1111022222001 in words is "one trillion, one hundred eleven billion, twenty-two million, two hundred twenty-two thousand, one".