111011122220001 has 8 divisors (see below), whose sum is σ = 148117120461504. Its totient is φ = 73956269395920.

The previous prime is 111011122219973. The next prime is 111011122220023. The reversal of 111011122220001 is 100022221110111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111011122220001 - 2⁶ = 111011122219937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111011122225001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12786349290 + ... + 12786357971.

It is an arithmetic number, because the mean of its divisors is an integer number (18514640057688).

Almost surely, 2^{111011122220001} is an apocalyptic number.

It is an amenable number.

111011122220001 is a deficient number, since it is larger than the sum of its proper divisors (37105998241503).

111011122220001 is a wasteful number, since it uses less digits than its factorization.

111011122220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25572708711.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111011122220001 its reverse (100022221110111), we get a palindrome (211033343330112).

The spelling of 111011122220001 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, two hundred twenty thousand, one".