121112342104 has 16 divisors (see below), whose sum is σ = 244553767920. Its totient is φ = 55898004000.

The previous prime is 121112342063. The next prime is 121112342107. The reversal of 121112342104 is 401243211121.

It is a super-2 number, since 2×121112342104² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112342107) 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, 582270772 + ... + 582270979.

It is an arithmetic number, because the mean of its divisors is an integer number (15284610495).

Almost surely, 2^121112342104 is an apocalyptic number.

It is an amenable number.

121112342104 is an abundant number, since it is smaller than the sum of its proper divisors (123441425816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121112342104 is a wasteful number, since it uses less digits than its factorization.

121112342104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164541770 (or 1164541766 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121112342104 its reverse (401243211121), we get a palindrome (522355553225).

The spelling of 121112342104 in words is "one hundred twenty-one billion, one hundred twelve million, three hundred forty-two thousand, one hundred four".