2121112323000 has 192 divisors, whose sum is σ = 7821119985120. Its totient is φ = 514209024000.

The previous prime is 2121112322947. The next prime is 2121112323013. The reversal of 2121112323000 is 3232111212.

2121112323000 is a `hidden beast` number, since 2 + 121 + 11 + 232 + 300 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10613689 + ... + 10811688.

Almost surely, 2^{2121112323000} is an apocalyptic number.

2121112323000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121112323000 is an abundant number, since it is smaller than the sum of its proper divisors (5700007662120).

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

2121112323000 is a wasteful number, since it uses less digits than its factorization.

2121112323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21425415 (or 21425398 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2121112323000 its reverse (3232111212), we get a palindrome (2124344434212).

The spelling of 2121112323000 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, three hundred twenty-three thousand".