1101220001112 has 64 divisors (see below), whose sum is σ = 3432374035200. Its totient is φ = 286031168640.

The previous prime is 1101220001111. The next prime is 1101220001129. The reversal of 1101220001112 is 2111000221011.

It is a super-2 number, since 2×1101220001112² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101220001111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297947287 + ... + 297950982.

It is an arithmetic number, because the mean of its divisors is an integer number (53630844300).

Almost surely, 2^{1101220001112} is an apocalyptic number.

1101220001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101220001112 is an abundant number, since it is smaller than the sum of its proper divisors (2331154034088).

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

1101220001112 is a wasteful number, since it uses less digits than its factorization.

1101220001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595898296 (or 595898292 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1101220001112 its reverse (2111000221011), we get a palindrome (3212220222123).

The spelling of 1101220001112 in words is "one trillion, one hundred one billion, two hundred twenty million, one thousand, one hundred twelve".