121112011042 has 8 divisors (see below), whose sum is σ = 198183290832. Its totient is φ = 55050914100.

The previous prime is 121112010979. The next prime is 121112011043. The reversal of 121112011042 is 240110211121.

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

It is not an unprimeable number, because it can be changed into a prime (121112011043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752545684 + ... + 2752545727.

It is an arithmetic number, because the mean of its divisors is an integer number (24772911354).

Almost surely, 2^121112011042 is an apocalyptic number.

121112011042 is a deficient number, since it is larger than the sum of its proper divisors (77071279790).

121112011042 is a wasteful number, since it uses less digits than its factorization.

121112011042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505091424.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121112011042 its reverse (240110211121), we get a palindrome (361222222163).

The spelling of 121112011042 in words is "one hundred twenty-one billion, one hundred twelve million, eleven thousand, forty-two".