20210101201122 has 32 divisors (see below), whose sum is σ = 47787431414400. Its totient is φ = 5575200331008.

The previous prime is 20210101201109. The next prime is 20210101201127. The reversal of 20210101201122 is 22110210101202.

It is not an unprimeable number, because it can be changed into a prime (20210101201127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8296427847 + ... + 8296430282.

It is an arithmetic number, because the mean of its divisors is an integer number (1493357231700).

Almost surely, 2^{20210101201122} is an apocalyptic number.

20210101201122 is an abundant number, since it is smaller than the sum of its proper divisors (27577330213278).

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

20210101201122 is a wasteful number, since it uses less digits than its factorization.

20210101201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16592858170.

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

Adding to 20210101201122 its reverse (22110210101202), we get a palindrome (42320311302324).

The spelling of 20210101201122 in words is "twenty trillion, two hundred ten billion, one hundred one million, two hundred one thousand, one hundred twenty-two".