111020000121001 has 8 divisors (see below), whose sum is σ = 112004303742720. Its totient is φ = 110035728530112.

The previous prime is 111020000120983. The next prime is 111020000121049. The reversal of 111020000121001 is 100121000020111.

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 111020000121001 - 2¹⁵ = 111020000088233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020000101001) 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, 1017981 + ... + 14935738.

It is an arithmetic number, because the mean of its divisors is an integer number (14000537967840).

Almost surely, 2^{111020000121001} is an apocalyptic number.

It is an amenable number.

111020000121001 is a deficient number, since it is larger than the sum of its proper divisors (984303621719).

111020000121001 is a wasteful number, since it uses less digits than its factorization.

111020000121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16015415.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111020000121001 its reverse (100121000020111), we get a palindrome (211141000141112).

The spelling of 111020000121001 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-one thousand, one".