121001122122112 has 32 divisors (see below), whose sum is σ = 241070377133880. Its totient is φ = 60497184331776.

The previous prime is 121001122122011. The next prime is 121001122122131. The reversal of 121001122122112 is 211221221100121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 121001122122112.

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, 24077593 + ... + 28665880.

Almost surely, 2^{121001122122112} is an apocalyptic number.

It is an amenable number.

121001122122112 is a deficient number, since it is larger than the sum of its proper divisors (120069255011768).

121001122122112 is an equidigital number, since it uses as much as digits as its factorization.

121001122122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52761410 (or 52761398 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121001122122112 its reverse (211221221100121), we get a palindrome (332222343222233).

The spelling of 121001122122112 in words is "one hundred twenty-one trillion, one billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".