20020121012110 has 16 divisors (see below), whose sum is σ = 36052016292432. Its totient is φ = 8004537633600.

The previous prime is 20020121011987. The next prime is 20020121012113. The reversal of 20020121012110 is 1121012102002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020121012113) 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, 438822456 + ... + 438868075.

It is an arithmetic number, because the mean of its divisors is an integer number (2253251018277).

Almost surely, 2^{20020121012110} is an apocalyptic number.

20020121012110 is a deficient number, since it is larger than the sum of its proper divisors (16031895280322).

20020121012110 is a wasteful number, since it uses less digits than its factorization.

20020121012110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877692819.

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

Adding to 20020121012110 its reverse (1121012102002), we get a palindrome (21141133114112).

The spelling of 20020121012110 in words is "twenty trillion, twenty billion, one hundred twenty-one million, twelve thousand, one hundred ten".