111122100212001 has 8 divisors (see below), whose sum is σ = 148185774847200. Its totient is φ = 74069912859072.

The previous prime is 111122100211979. The next prime is 111122100212003. The reversal of 111122100212001 is 100212001221111.

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 111122100212001 - 2⁶ = 111122100211937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111122100212003) 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, 2871797995 + ... + 2871836688.

It is an arithmetic number, because the mean of its divisors is an integer number (18523221855900).

Almost surely, 2^{111122100212001} is an apocalyptic number.

It is an amenable number.

111122100212001 is a deficient number, since it is larger than the sum of its proper divisors (37063674635199).

111122100212001 is an equidigital number, since it uses as much as digits as its factorization.

111122100212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5743641135.

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

Adding to 111122100212001 its reverse (100212001221111), we get a palindrome (211334101433112).

The spelling of 111122100212001 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred million, two hundred twelve thousand, one".