111222021202001 has 8 divisors (see below), whose sum is σ = 117078374707680. Its totient is φ = 105365923987968.

The previous prime is 111222021201961. The next prime is 111222021202009. The reversal of 111222021202001 is 100202120222111.

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 111222021202001 - 2⁶ = 111222021201937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111222021202009) 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 7 ways as a sum of consecutive naturals, for example, 63181811 + ... + 64918296.

It is an arithmetic number, because the mean of its divisors is an integer number (14634796838460).

Almost surely, 2^{111222021202001} is an apocalyptic number.

It is an amenable number.

111222021202001 is a deficient number, since it is larger than the sum of its proper divisors (5856353505679).

111222021202001 is a wasteful number, since it uses less digits than its factorization.

111222021202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128145823.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111222021202001 its reverse (100202120222111), we get a palindrome (211424141424112).

The spelling of 111222021202001 in words is "one hundred eleven trillion, two hundred twenty-two billion, twenty-one million, two hundred two thousand, one".