111112201001 has 8 divisors (see below), whose sum is σ = 119448727680. Its totient is φ = 103024525968.

The previous prime is 111112200977. The next prime is 111112201009. The reversal of 111112201001 is 100102211111.

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

It is not a de Polignac number, because 111112201001 - 2¹⁸ = 111111938857 is a prime.

It is a super-2 number, since 2×111112201001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112201009) 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, 62211986 + ... + 62213771.

It is an arithmetic number, because the mean of its divisors is an integer number (14931090960).

Almost surely, 2^111112201001 is an apocalyptic number.

It is an amenable number.

111112201001 is a deficient number, since it is larger than the sum of its proper divisors (8336526679).

111112201001 is a wasteful number, since it uses less digits than its factorization.

111112201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124425823.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111112201001 its reverse (100102211111), we get a palindrome (211214412112).

The spelling of 111112201001 in words is "one hundred eleven billion, one hundred twelve million, two hundred one thousand, one".