10202012021120 has 64 divisors (see below), whose sum is σ = 24442090651440. Its totient is φ = 4071952619520.

The previous prime is 10202012021107. The next prime is 10202012021129. The reversal of 10202012021120 is 2112021020201.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 10202012021095 and 10202012021104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202012021129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16994162 + ... + 17584241.

Almost surely, 2^{10202012021120} is an apocalyptic number.

10202012021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202012021120 is an abundant number, since it is smaller than the sum of its proper divisors (14240078630320).

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

10202012021120 is an equidigital number, since it uses as much as digits as its factorization.

10202012021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34578883 (or 34578871 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10202012021120 its reverse (2112021020201), we get a palindrome (12314033041321).

The spelling of 10202012021120 in words is "ten trillion, two hundred two billion, twelve million, twenty-one thousand, one hundred twenty".