121100021001112 has 16 divisors (see below), whose sum is σ = 239013199344600. Its totient is φ = 57363167842560.

The previous prime is 121100021001101. The next prime is 121100021001151. The reversal of 121100021001112 is 211100120001121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121100021001092 and 121100021001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398355332089 + ... + 398355332392.

Almost surely, 2^{121100021001112} is an apocalyptic number.

It is an amenable number.

121100021001112 is a deficient number, since it is larger than the sum of its proper divisors (117913178343488).

121100021001112 is a wasteful number, since it uses less digits than its factorization.

121100021001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796710664506 (or 796710664502 counting only the distinct ones).

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

Adding to 121100021001112 its reverse (211100120001121), we get a palindrome (332200141002233).

Subtracting 121100021001112 from its reverse (211100120001121), we obtain a palindrome (90000099000009).

The spelling of 121100021001112 in words is "one hundred twenty-one trillion, one hundred billion, twenty-one million, one thousand, one hundred twelve".