120021022100000 has 288 divisors, whose sum is σ = 355302692922240. Its totient is φ = 38984267520000.

The previous prime is 120021022099987. The next prime is 120021022100047. The reversal of 120021022100000 is 1220120021.

It is a happy 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, 8787932 + ... + 17812068.

It is an arithmetic number, because the mean of its divisors is an integer number (1233689905980).

Almost surely, 2^{120021022100000} is an apocalyptic number.

120021022100000 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 120021022100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177651346461120).

120021022100000 is an abundant number, since it is smaller than the sum of its proper divisors (235281670822240).

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

120021022100000 is an frugal number, since it uses more digits than its factorization.

120021022100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024198 (or 9024170 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120021022100000 its reverse (1220120021), we get a palindrome (120022242220021).

The spelling of 120021022100000 in words is "one hundred twenty trillion, twenty-one billion, twenty-two million, one hundred thousand".