121100001112 has 32 divisors (see below), whose sum is σ = 230093725680. Its totient is φ = 59745769600.

The previous prime is 121100001107. The next prime is 121100001131. The reversal of 121100001112 is 211100001121.

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, 19018 + ... + 492505.

Almost surely, 2^121100001112 is an apocalyptic number.

It is an amenable number.

121100001112 is a deficient number, since it is larger than the sum of its proper divisors (108993724568).

121100001112 is a wasteful number, since it uses less digits than its factorization.

121100001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511923 (or 511919 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121100001112 its reverse (211100001121), we get a palindrome (332200002233).

Subtracting 121100001112 from its reverse (211100001121), we obtain a palindrome (90000000009).

The spelling of 121100001112 in words is "one hundred twenty-one billion, one hundred million, one thousand, one hundred twelve".