11102020111212 has 48 divisors (see below), whose sum is σ = 26333317164000. Its totient is φ = 3639462428160.

The previous prime is 11102020111181. The next prime is 11102020111241. The reversal of 11102020111212 is 21211102020111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11102020111191 and 11102020111200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3780664 + ... + 6041312.

It is an arithmetic number, because the mean of its divisors is an integer number (548610774250).

Almost surely, 2^{11102020111212} is an apocalyptic number.

11102020111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11102020111212 is an abundant number, since it is smaller than the sum of its proper divisors (15231297052788).

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

11102020111212 is a wasteful number, since it uses less digits than its factorization.

11102020111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267426 (or 2267424 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11102020111212 its reverse (21211102020111), we get a palindrome (32313122131323).

It can be divided in two parts, 11102020111 and 212, that multiplied together give a palindrome (2353628263532).

The spelling of 11102020111212 in words is "eleven trillion, one hundred two billion, twenty million, one hundred eleven thousand, two hundred twelve".