121311231103112 has 32 divisors (see below), whose sum is σ = 230682327670200. Its totient is φ = 59796721373184.

The previous prime is 121311231103091. The next prime is 121311231103163. The reversal of 121311231103112 is 211301132113121.

It can be written as a sum of positive squares in 4 ways, for example, as 31592560767076 + 89718670336036 = 5620726^2 + 9471994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47353937 + ... + 49849952.

Almost surely, 2^{121311231103112} is an apocalyptic number.

It is an amenable number.

121311231103112 is a deficient number, since it is larger than the sum of its proper divisors (109371096567088).

121311231103112 is a wasteful number, since it uses less digits than its factorization.

121311231103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97206105 (or 97206101 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 121311231103112 its reverse (211301132113121), we get a palindrome (332612363216233).

The spelling of 121311231103112 in words is "one hundred twenty-one trillion, three hundred eleven billion, two hundred thirty-one million, one hundred three thousand, one hundred twelve".