111011120022001 has 8 divisors (see below), whose sum is σ = 111043756814760. Its totient is φ = 110978487672192.

The previous prime is 111011120021947. The next prime is 111011120022041. The reversal of 111011120022001 is 100220021110111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34967400728976 + 76043719293025 = 5913324^2 + 8720305^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 111011120022001 - 2²¹ = 111011117924849 is a prime.

It is a super-2 number, since 2×111011120022001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011120022041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49202835 + ... + 51409543.

It is an arithmetic number, because the mean of its divisors is an integer number (13880469601845).

Almost surely, 2^{111011120022001} is an apocalyptic number.

It is an amenable number.

111011120022001 is a deficient number, since it is larger than the sum of its proper divisors (32636792759).

111011120022001 is an equidigital number, since it uses as much as digits as its factorization.

111011120022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221475.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111011120022001 its reverse (100220021110111), we get a palindrome (211231141132112).

The spelling of 111011120022001 in words is "one hundred eleven trillion, eleven billion, one hundred twenty million, twenty-two thousand, one".