11112220123000 has 128 divisors (see below), whose sum is σ = 26453250008640. Its totient is φ = 4367987520000.

The previous prime is 11112220122943. The next prime is 11112220123009. The reversal of 11112220123000 is 32102221111.

It is a super-2 number, since 2×11112220123000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112220123009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66467514 + ... + 66634486.

Almost surely, 2^{11112220123000} is an apocalyptic number.

11112220123000 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 11112220123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13226625004320).

11112220123000 is an abundant number, since it is smaller than the sum of its proper divisors (15341029885640).

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

11112220123000 is a wasteful number, since it uses less digits than its factorization.

11112220123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168146 (or 168132 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11112220123000 its reverse (32102221111), we get a palindrome (11144322344111).

The spelling of 11112220123000 in words is "eleven trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty-three thousand".