1111211102112 has 48 divisors (see below), whose sum is σ = 3070451734560. Its totient is φ = 350908768512.

The previous prime is 1111211102063. The next prime is 1111211102123. The reversal of 1111211102112 is 2112011121111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1111211102112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111211102091 and 1111211102100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304606483 + ... + 304610130.

It is an arithmetic number, because the mean of its divisors is an integer number (63967744470).

Almost surely, 2^{1111211102112} is an apocalyptic number.

1111211102112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111211102112 is an abundant number, since it is smaller than the sum of its proper divisors (1959240632448).

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

1111211102112 is a wasteful number, since it uses less digits than its factorization.

1111211102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609216645 (or 609216637 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1111211102112 its reverse (2112011121111), we get a palindrome (3223222223223).

The spelling of 1111211102112 in words is "one trillion, one hundred eleven billion, two hundred eleven million, one hundred two thousand, one hundred twelve".