121112121123130 has 16 divisors (see below), whose sum is σ = 218002437883944. Its totient is φ = 48444710702080.

The previous prime is 121112121123121. The next prime is 121112121123137. The reversal of 121112121123130 is 31321121211121.

It can be written as a sum of positive squares in 4 ways, for example, as 110328364920361 + 10783756202769 = 10503731^2 + 3283863^2 .

It is not an unprimeable number, because it can be changed into a prime (121112121123137) 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, 13487107 + ... + 20594326.

Almost surely, 2^{121112121123130} is an apocalyptic number.

121112121123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112121123130 is a deficient number, since it is larger than the sum of its proper divisors (96890316760814).

121112121123130 is a wasteful number, since it uses less digits than its factorization.

121112121123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34436801.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 121112121123130 its reverse (31321121211121), we get a palindrome (152433242334251).

The spelling of 121112121123130 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty".