10102021102120 has 256 divisors, whose sum is σ = 23642407008000. Its totient is φ = 3883055210496.

The previous prime is 10102021102087. The next prime is 10102021102139. The reversal of 10102021102120 is 2120112020101.

It is a self number, because there is not a number n which added to its sum of digits gives 10102021102120.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7357625754 + ... + 7357627126.

It is an arithmetic number, because the mean of its divisors is an integer number (92353152375).

Almost surely, 2^{10102021102120} is an apocalyptic number.

10102021102120 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 10102021102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11821203504000).

10102021102120 is an abundant number, since it is smaller than the sum of its proper divisors (13540385905880).

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

10102021102120 is a wasteful number, since it uses less digits than its factorization.

10102021102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10102021102120 its reverse (2120112020101), we get a palindrome (12222133122221).

The spelling of 10102021102120 in words is "ten trillion, one hundred two billion, twenty-one million, one hundred two thousand, one hundred twenty".