11121021312000 has 176 divisors, whose sum is σ = 36992688544032. Its totient is φ = 2965605580800.

The previous prime is 11121021311999. The next prime is 11121021312013. The reversal of 11121021312000 is 21312012111.

It is a super-4 number, since 4×11121021312000⁴ (a number of 53 digits) contains 4444 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14096497 + ... + 14864496.

Almost surely, 2^{11121021312000} is an apocalyptic number.

11121021312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121021312000 is an abundant number, since it is smaller than the sum of its proper divisors (25871667232032).

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

11121021312000 is an equidigital number, since it uses as much as digits as its factorization.

11121021312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28961031 (or 28961003 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11121021312000 its reverse (21312012111), we get a palindrome (11142333324111).

The spelling of 11121021312000 in words is "eleven trillion, one hundred twenty-one billion, twenty-one million, three hundred twelve thousand".