11212220111000 has 64 divisors (see below), whose sum is σ = 26681283252000. Its totient is φ = 4408872969600.

The previous prime is 11212220110991. The next prime is 11212220111009. The reversal of 11212220111000 is 11102221211.

It is an interprime number because it is at equal distance from previous prime (11212220110991) and next prime (11212220111009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212220111009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94959815 + ... + 95077814.

Almost surely, 2^{11212220111000} is an apocalyptic number.

11212220111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212220111000 is an abundant number, since it is smaller than the sum of its proper divisors (15469063141000).

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

11212220111000 is a wasteful number, since it uses less digits than its factorization.

11212220111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190037709 (or 190037695 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11212220111000 its reverse (11102221211), we get a palindrome (11223322332211).

The spelling of 11212220111000 in words is "eleven trillion, two hundred twelve billion, two hundred twenty million, one hundred eleven thousand".