121111032000 has 224 divisors, whose sum is σ = 457039065600. Its totient is φ = 27682483200.

The previous prime is 121111031999. The next prime is 121111032011. The reversal of 121111032000 is 230111121.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192450 + ... + 528449.

Almost surely, 2^121111032000 is an apocalyptic number.

121111032000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121111032000 is an abundant number, since it is smaller than the sum of its proper divisors (335928033600).

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

121111032000 is an equidigital number, since it uses as much as digits as its factorization.

121111032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720936 (or 720916 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 121111032000 its reverse (230111121), we get a palindrome (121341143121).

The spelling of 121111032000 in words is "one hundred twenty-one billion, one hundred eleven million, thirty-two thousand".