111021200020001 has 8 divisors (see below), whose sum is σ = 114868044552000. Its totient is φ = 107175590640720.

The previous prime is 111021200019979. The next prime is 111021200020111. The reversal of 111021200020001 is 100020002120111.

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 111021200020001 - 2¹⁰ = 111021200018977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111021200026001) 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, 308605295 + ... + 308964836.

It is an arithmetic number, because the mean of its divisors is an integer number (14358505569000).

Almost surely, 2^{111021200020001} is an apocalyptic number.

It is an amenable number.

111021200020001 is a deficient number, since it is larger than the sum of its proper divisors (3846844531999).

111021200020001 is an equidigital number, since it uses as much as digits as its factorization.

111021200020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617576359.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111021200020001 its reverse (100020002120111), we get a palindrome (211041202140112).

The spelling of 111021200020001 in words is "one hundred eleven trillion, twenty-one billion, two hundred million, twenty thousand, one".