10020121102012 has 36 divisors (see below), whose sum is σ = 20402453892744. Its totient is φ = 4293421779360.

The previous prime is 10020121101983. The next prime is 10020121102067. The reversal of 10020121102012 is 21020112102001.

It is a junction number, because it is equal to n+sod(n) for n = 10020121101983 and 10020121102001.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 4529623 + ... + 6368494.

It is an arithmetic number, because the mean of its divisors is an integer number (566734830354).

Almost surely, 2^{10020121102012} is an apocalyptic number.

It is an amenable number.

10020121102012 is an abundant number, since it is smaller than the sum of its proper divisors (10382332790732).

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

10020121102012 is a wasteful number, since it uses less digits than its factorization.

10020121102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10902826 (or 10902817 counting only the distinct ones).

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

Adding to 10020121102012 its reverse (21020112102001), we get a palindrome (31040233204013).

The spelling of 10020121102012 in words is "ten trillion, twenty billion, one hundred twenty-one million, one hundred two thousand, twelve".