120110000021000 has 256 divisors, whose sum is σ = 309767702699520. Its totient is φ = 43226620800000.

The previous prime is 120110000020957. The next prime is 120110000021003. The reversal of 120110000021000 is 120000011021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (120110000021003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2958572702 + ... + 2958613298.

It is an arithmetic number, because the mean of its divisors is an integer number (1210030088670).

Almost surely, 2^{120110000021000} is an apocalyptic number.

120110000021000 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 120110000021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154883851349760).

120110000021000 is an abundant number, since it is smaller than the sum of its proper divisors (189657702678520).

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

120110000021000 is a wasteful number, since it uses less digits than its factorization.

120110000021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43393 (or 43379 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120110000021000 its reverse (120000011021), we get a palindrome (120230000032021).

The spelling of 120110000021000 in words is "one hundred twenty trillion, one hundred ten billion, twenty-one thousand".