20210121112010 has 64 divisors (see below), whose sum is σ = 37687524480000. Its totient is φ = 7795005926400.

The previous prime is 20210121112007. The next prime is 20210121112043. The reversal of 20210121112010 is 1021112101202.

It is a super-2 number, since 2×20210121112010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175302866 + ... + 175418114.

It is an arithmetic number, because the mean of its divisors is an integer number (588867570000).

Almost surely, 2^{20210121112010} is an apocalyptic number.

20210121112010 is a deficient number, since it is larger than the sum of its proper divisors (17477403367990).

20210121112010 is a wasteful number, since it uses less digits than its factorization.

20210121112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117327.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20210121112010 its reverse (1021112101202), we get a palindrome (21231233213212).

The spelling of 20210121112010 in words is "twenty trillion, two hundred ten billion, one hundred twenty-one million, one hundred twelve thousand, ten".