111101020001 has 8 divisors (see below), whose sum is σ = 114691789824. Its totient is φ = 107510679360.

The previous prime is 111101019979. The next prime is 111101020061. The reversal of 111101020001 is 100020101111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111101020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111101020061) 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, 467816 + ... + 664118.

It is an arithmetic number, because the mean of its divisors is an integer number (14336473728).

Almost surely, 2^111101020001 is an apocalyptic number.

It is an amenable number.

111101020001 is a deficient number, since it is larger than the sum of its proper divisors (3590769823).

111101020001 is a wasteful number, since it uses less digits than its factorization.

111101020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214591.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 111101020001 its reverse (100020101111), we get a palindrome (211121121112).

The spelling of 111101020001 in words is "one hundred eleven billion, one hundred one million, twenty thousand, one".