20201001121122 has 16 divisors (see below), whose sum is σ = 40402170838272. Its totient is φ = 6733638941040.

The previous prime is 20201001121117. The next prime is 20201001121123. The reversal of 20201001121122 is 22112110010202.

It is not an unprimeable number, because it can be changed into a prime (20201001121123) 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, 5439673 + ... + 8366124.

It is an arithmetic number, because the mean of its divisors is an integer number (2525135677392).

Almost surely, 2^{20201001121122} is an apocalyptic number.

20201001121122 is an abundant number, since it is smaller than the sum of its proper divisors (20201169717150).

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

20201001121122 is a wasteful number, since it uses less digits than its factorization.

20201001121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049673.

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

Adding to 20201001121122 its reverse (22112110010202), we get a palindrome (42313111131324).

The spelling of 20201001121122 in words is "twenty trillion, two hundred one billion, one million, one hundred twenty-one thousand, one hundred twenty-two".