10020121310000 has 50 divisors (see below), whose sum is σ = 24259715727852. Its totient is φ = 4008048520000.

The previous prime is 10020121309999. The next prime is 10020121310021. The reversal of 10020121310000 is 1312102001.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×10020121310000² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 500996066 + ... + 501016065.

Almost surely, 2^{10020121310000} is an apocalyptic number.

10020121310000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020121310000 is an abundant number, since it is smaller than the sum of its proper divisors (14239594417852).

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

10020121310000 is an equidigital number, since it uses as much as digits as its factorization.

10020121310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002012159 (or 1002012138 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10020121310000 its reverse (1312102001), we get a palindrome (10021433412001).

The spelling of 10020121310000 in words is "ten trillion, twenty billion, one hundred twenty-one million, three hundred ten thousand".