20112201210001 has 2 divisors, whose sum is σ = 20112201210002. Its totient is φ = 20112201210000.

The previous prime is 20112201209959. The next prime is 20112201210043. The reversal of 20112201210001 is 10001210221102.

It is a balanced prime because it is at equal distance from previous prime (20112201209959) and next prime (20112201210043).

It can be written as a sum of positive squares in only one way, i.e., 19440824180625 + 671377029376 = 4409175^2 + 819376^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112201210001 - 2²⁹ = 20111664339089 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112201210301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056100605000 + 10056100605001.

It is an arithmetic number, because the mean of its divisors is an integer number (10056100605001).

Almost surely, 2^{20112201210001} is an apocalyptic number.

It is an amenable number.

20112201210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112201210001 is an equidigital number, since it uses as much as digits as its factorization.

20112201210001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20112201210001 its reverse (10001210221102), we get a palindrome (30113411431103).

The spelling of 20112201210001 in words is "twenty trillion, one hundred twelve billion, two hundred one million, two hundred ten thousand, one".