11212100111112 has 16 divisors (see below), whose sum is σ = 28030250277840. Its totient is φ = 3737366703696.

The previous prime is 11212100111063. The next prime is 11212100111117. The reversal of 11212100111112 is 21111100121211.

It is a super-2 number, since 2×11212100111112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212100111091 and 11212100111100.

It is not an unprimeable number, because it can be changed into a prime (11212100111117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233585418958 + ... + 233585419005.

It is an arithmetic number, because the mean of its divisors is an integer number (1751890642365).

Almost surely, 2^{11212100111112} is an apocalyptic number.

11212100111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212100111112 is an abundant number, since it is smaller than the sum of its proper divisors (16818150166728).

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

11212100111112 is a wasteful number, since it uses less digits than its factorization.

11212100111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467170837972 (or 467170837968 counting only the distinct ones).

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

Adding to 11212100111112 its reverse (21111100121211), we get a palindrome (32323200232323).

The spelling of 11212100111112 in words is "eleven trillion, two hundred twelve billion, one hundred million, one hundred eleven thousand, one hundred twelve".