20201211010122 has 32 divisors (see below), whose sum is σ = 40572762572160. Its totient is φ = 6705400430400.

The previous prime is 20201211010081. The next prime is 20201211010157. The reversal of 20201211010122 is 22101011210202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5179393 + ... + 8199300.

It is an arithmetic number, because the mean of its divisors is an integer number (1267898830380).

Almost surely, 2^{20201211010122} is an apocalyptic number.

20201211010122 is an abundant number, since it is smaller than the sum of its proper divisors (20371551562038).

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

20201211010122 is a wasteful number, since it uses less digits than its factorization.

20201211010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13379758.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20201211010122 its reverse (22101011210202), we get a palindrome (42302222220324).

The spelling of 20201211010122 in words is "twenty trillion, two hundred one billion, two hundred eleven million, ten thousand, one hundred twenty-two".