11212020212112 has 40 divisors (see below), whose sum is σ = 32182650610080. Its totient is φ = 3737340070560.

The previous prime is 11212020212023. The next prime is 11212020212117. The reversal of 11212020212112 is 21121202021211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11212020212117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12976874814 + ... + 12976875677.

It is an arithmetic number, because the mean of its divisors is an integer number (804566265252).

Almost surely, 2^{11212020212112} is an apocalyptic number.

11212020212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212020212112 is an abundant number, since it is smaller than the sum of its proper divisors (20970630397968).

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

11212020212112 is a wasteful number, since it uses less digits than its factorization.

11212020212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25953750508 (or 25953750496 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11212020212112 its reverse (21121202021211), we get a palindrome (32333222233323).

It can be divided in two parts, 1121202021211 and 2, that multiplied together give a palindrome (2242404042422).

The spelling of 11212020212112 in words is "eleven trillion, two hundred twelve billion, twenty million, two hundred twelve thousand, one hundred twelve".