10020121212100 has 72 divisors (see below), whose sum is σ = 22361137198400. Its totient is φ = 3895165169280.

The previous prime is 10020121212097. The next prime is 10020121212109. The reversal of 10020121212100 is 121212102001.

It is not an unprimeable number, because it can be changed into a prime (10020121212109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4999227 + ... + 6710626.

Almost surely, 2^{10020121212100} is an apocalyptic number.

10020121212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020121212100 is an abundant number, since it is smaller than the sum of its proper divisors (12341015986300).

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

10020121212100 is a wasteful number, since it uses less digits than its factorization.

10020121212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11710109 (or 11710102 counting only the distinct ones).

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

Adding to 10020121212100 its reverse (121212102001), we get a palindrome (10141333314101).

The spelling of 10020121212100 in words is "ten trillion, twenty billion, one hundred twenty-one million, two hundred twelve thousand, one hundred".