111201001212112 has 80 divisors (see below), whose sum is σ = 246583098564480. Its totient is φ = 47589420662784.

The previous prime is 111201001212083. The next prime is 111201001212121. The reversal of 111201001212112 is 211212100102111.

It is a super-2 number, since 2×111201001212112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 285011148 + ... + 285401044.

It is an arithmetic number, because the mean of its divisors is an integer number (3082288732056).

Almost surely, 2^{111201001212112} is an apocalyptic number.

It is an amenable number.

111201001212112 is an abundant number, since it is smaller than the sum of its proper divisors (135382097352368).

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

111201001212112 is a wasteful number, since it uses less digits than its factorization.

111201001212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393548 (or 393542 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111201001212112 its reverse (211212100102111), we get a palindrome (322413101314223).

The spelling of 111201001212112 in words is "one hundred eleven trillion, two hundred one billion, one million, two hundred twelve thousand, one hundred twelve".