121001112112 has 10 divisors (see below), whose sum is σ = 234439654748. Its totient is φ = 60500556048.

The previous prime is 121001112101. The next prime is 121001112139. The reversal of 121001112112 is 211211100121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121001112092 and 121001112101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3781284738 + ... + 3781284769.

Almost surely, 2^121001112112 is an apocalyptic number.

It is an amenable number.

121001112112 is a deficient number, since it is larger than the sum of its proper divisors (113438542636).

121001112112 is an equidigital number, since it uses as much as digits as its factorization.

121001112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562569515 (or 7562569509 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121001112112 its reverse (211211100121), we get a palindrome (332212212233).

The spelling of 121001112112 in words is "one hundred twenty-one billion, one million, one hundred twelve thousand, one hundred twelve".