10020121021012 has 12 divisors (see below), whose sum is σ = 17575896735936. Its totient is φ = 4998436239320.

The previous prime is 10020121021007. The next prime is 10020121021037. The reversal of 10020121021012 is 21012012102001.

It is a junction number, because it is equal to n+sod(n) for n = 10020121020983 and 10020121021001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2906065858 + ... + 2906069305.

It is an arithmetic number, because the mean of its divisors is an integer number (1464658061328).

Almost surely, 2^{10020121021012} is an apocalyptic number.

It is an amenable number.

10020121021012 is a deficient number, since it is larger than the sum of its proper divisors (7555775714924).

10020121021012 is a wasteful number, since it uses less digits than its factorization.

10020121021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812135598 (or 5812135596 counting only the distinct ones).

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

Adding to 10020121021012 its reverse (21012012102001), we get a palindrome (31032133123013).

The spelling of 10020121021012 in words is "ten trillion, twenty billion, one hundred twenty-one million, twenty-one thousand, twelve".