20010122212010 has 32 divisors (see below), whose sum is σ = 41163853370112. Its totient is φ = 6860584431360.

The previous prime is 20010122211997. The next prime is 20010122212063. The reversal of 20010122212010 is 1021222101002.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 15 ways as a sum of consecutive naturals, for example, 22329554 + ... + 23208386.

It is an arithmetic number, because the mean of its divisors is an integer number (1286370417816).

Almost surely, 2^{20010122212010} is an apocalyptic number.

20010122212010 is an abundant number, since it is smaller than the sum of its proper divisors (21153731158102).

20010122212010 is a wasteful number, since it uses less digits than its factorization.

20010122212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204118.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010122212010 its reverse (1021222101002), we get a palindrome (21031344313012).

The spelling of 20010122212010 in words is "twenty trillion, ten billion, one hundred twenty-two million, two hundred twelve thousand, ten".