121112501043 has 8 divisors (see below), whose sum is σ = 165847749328. Its totient is φ = 78559460064.

The previous prime is 121112501033. The next prime is 121112501051. The reversal of 121112501043 is 340105211121.

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

It is not a de Polignac number, because 121112501043 - 2⁶ = 121112500979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112501033) 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, 545551696 + ... + 545551917.

It is an arithmetic number, because the mean of its divisors is an integer number (20730968666).

Almost surely, 2^121112501043 is an apocalyptic number.

121112501043 is a deficient number, since it is larger than the sum of its proper divisors (44735248285).

121112501043 is a wasteful number, since it uses less digits than its factorization.

121112501043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091103653.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 121112501043 its reverse (340105211121), we get a palindrome (461217712164).

The spelling of 121112501043 in words is "one hundred twenty-one billion, one hundred twelve million, five hundred one thousand, forty-three".