1111211012112 has 40 divisors (see below), whose sum is σ = 2877021885600. Its totient is φ = 369578711040.

The previous prime is 1111211012081. The next prime is 1111211012113. The reversal of 1111211012112 is 2112101121111.

It is a junction number, because it is equal to n+sod(n) for n = 1111211012091 and 1111211012100.

It is not an unprimeable number, because it can be changed into a prime (1111211012113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25758214 + ... + 25801317.

It is an arithmetic number, because the mean of its divisors is an integer number (71925547140).

Almost surely, 2^{1111211012112} is an apocalyptic number.

1111211012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111211012112 is an abundant number, since it is smaller than the sum of its proper divisors (1765810873488).

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

1111211012112 is a wasteful number, since it uses less digits than its factorization.

1111211012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51559991 (or 51559985 counting only the distinct ones).

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

Adding to 1111211012112 its reverse (2112101121111), we get a palindrome (3223312133223).

The spelling of 1111211012112 in words is "one trillion, one hundred eleven billion, two hundred eleven million, twelve thousand, one hundred twelve".