1101111020112 has 20 divisors (see below), whose sum is σ = 2844536802080. Its totient is φ = 367037006688.

The previous prime is 1101111020099. The next prime is 1101111020129. The reversal of 1101111020112 is 2110201111011.

It is a super-3 number, since 3×1101111020112³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 11469906412 + ... + 11469906507.

It is an arithmetic number, because the mean of its divisors is an integer number (142226840104).

Almost surely, 2^{1101111020112} is an apocalyptic number.

1101111020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101111020112 is an abundant number, since it is smaller than the sum of its proper divisors (1743425781968).

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

1101111020112 is a wasteful number, since it uses less digits than its factorization.

1101111020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22939812930 (or 22939812924 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1101111020112 its reverse (2110201111011), we get a palindrome (3211312131123).

The spelling of 1101111020112 in words is "one trillion, one hundred one billion, one hundred eleven million, twenty thousand, one hundred twelve".