121211101120112 has 40 divisors (see below), whose sum is σ = 237466690492416. Its totient is φ = 59932483402176.

The previous prime is 121211101120099. The next prime is 121211101120159. The reversal of 121211101120112 is 211021101112121.

It is a congruent number.

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, 96527858 + ... + 97775505.

Almost surely, 2^{121211101120112} is an apocalyptic number.

It is an amenable number.

121211101120112 is a deficient number, since it is larger than the sum of its proper divisors (116255589372304).

121211101120112 is a wasteful number, since it uses less digits than its factorization.

121211101120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194303805 (or 194303799 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 121211101120112 its reverse (211021101112121), we get a palindrome (332232202232233).

The spelling of 121211101120112 in words is "one hundred twenty-one trillion, two hundred eleven billion, one hundred one million, one hundred twenty thousand, one hundred twelve".