1201110121112 has 64 divisors (see below), whose sum is σ = 2620049846400. Its totient is φ = 510147095040.

The previous prime is 1201110121093. The next prime is 1201110121147. The reversal of 1201110121112 is 2111210111021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2680118 + ... + 3096005.

It is an arithmetic number, because the mean of its divisors is an integer number (40938278850).

Almost surely, 2^{1201110121112} is an apocalyptic number.

It is an amenable number.

1201110121112 is an abundant number, since it is smaller than the sum of its proper divisors (1418939725288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201110121112 is a wasteful number, since it uses less digits than its factorization.

1201110121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5776296 (or 5776292 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1201110121112 its reverse (2111210111021), we get a palindrome (3312320232133).

The spelling of 1201110121112 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred twenty-one thousand, one hundred twelve".