121112201101 has 8 divisors (see below), whose sum is σ = 121377342944. Its totient is φ = 120847245840.

The previous prime is 121112201071. The next prime is 121112201117. The reversal of 121112201101 is 101102211121.

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 not a de Polignac number, because 121112201101 - 2¹⁷ = 121112070029 is a prime.

It is a super-2 number, since 2×121112201101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112201141) 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, 1294951 + ... + 1385323.

It is an arithmetic number, because the mean of its divisors is an integer number (15172167868).

Almost surely, 2^121112201101 is an apocalyptic number.

It is an amenable number.

121112201101 is a deficient number, since it is larger than the sum of its proper divisors (265141843).

121112201101 is an equidigital number, since it uses as much as digits as its factorization.

121112201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93291.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121112201101 its reverse (101102211121), we get a palindrome (222214412222).

The spelling of 121112201101 in words is "one hundred twenty-one billion, one hundred twelve million, two hundred one thousand, one hundred one".