10221210120000 has 560 divisors, whose sum is σ = 38468838431232. Its totient is φ = 2370128640000.

The previous prime is 10221210119983. The next prime is 10221210120013. The reversal of 10221210120000 is 2101212201.

10221210120000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 30191667 + ... + 30528333.

Almost surely, 2^{10221210120000} is an apocalyptic number.

10221210120000 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 10221210120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19234419215616).

10221210120000 is an abundant number, since it is smaller than the sum of its proper divisors (28247628311232).

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

10221210120000 is a wasteful number, since it uses less digits than its factorization.

10221210120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336736 (or 336711 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10221210120000 its reverse (2101212201), we get a palindrome (10223311332201).

The spelling of 10221210120000 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty thousand".