11222221110000 has 800 divisors, whose sum is σ = 37677714471936. Its totient is φ = 2875392000000.

The previous prime is 11222221109933. The next prime is 11222221110043. The reversal of 11222221110000 is 1112222211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 41410409865 + ... + 41410410135.

Almost surely, 2^{11222221110000} is an apocalyptic number.

11222221110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222221110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18838857235968).

11222221110000 is an abundant number, since it is smaller than the sum of its proper divisors (26455493361936).

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

11222221110000 is a wasteful number, since it uses less digits than its factorization.

11222221110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11222221110000 its reverse (1112222211), we get a palindrome (11223333332211).

It can be divided in two parts, 112222211 and 10000, that added together give a palindrome (112232211).

The spelling of 11222221110000 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred ten thousand".