20201122101201 has 8 divisors (see below), whose sum is σ = 26936442109440. Its totient is φ = 13466608413552.

The previous prime is 20201122101197. The next prime is 20201122101247. The reversal of 20201122101201 is 10210122110202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20201122101201 - 2² = 20201122101197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201122101301) 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, 201521686 + ... + 201621903.

It is an arithmetic number, because the mean of its divisors is an integer number (3367055263680).

Almost surely, 2^{20201122101201} is an apocalyptic number.

It is an amenable number.

20201122101201 is a deficient number, since it is larger than the sum of its proper divisors (6735320008239).

20201122101201 is a wasteful number, since it uses less digits than its factorization.

20201122101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403160295.

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

Adding to 20201122101201 its reverse (10210122110202), we get a palindrome (30411244211403).

Subtracting from 20201122101201 its reverse (10210122110202), we obtain a palindrome (9990999990999).

The spelling of 20201122101201 in words is "twenty trillion, two hundred one billion, one hundred twenty-two million, one hundred one thousand, two hundred one".