11222111102000 has 80 divisors (see below), whose sum is σ = 28314850180032. Its totient is φ = 4293677273600.

The previous prime is 11222111101969. The next prime is 11222111102009. The reversal of 11222111102000 is 20111122211.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (11222111102009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121933469 + ... + 122025468.

Almost surely, 2^{11222111102000} is an apocalyptic number.

11222111102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222111102000 is an abundant number, since it is smaller than the sum of its proper divisors (17092739078032).

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

11222111102000 is a wasteful number, since it uses less digits than its factorization.

11222111102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243958983 (or 243958967 counting only the distinct ones).

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

Adding to 11222111102000 its reverse (20111122211), we get a palindrome (11242222224211).

The spelling of 11222111102000 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, one hundred two thousand".