20012021101201 has 2 divisors, whose sum is σ = 20012021101202. Its totient is φ = 20012021101200.

The previous prime is 20012021101181. The next prime is 20012021101213. The reversal of 20012021101201 is 10210112021002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12760720006225 + 7251301094976 = 3572215^2 + 2692824^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012021101201 - 2⁷ = 20012021101073 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012021101271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006010550600 + 10006010550601.

It is an arithmetic number, because the mean of its divisors is an integer number (10006010550601).

Almost surely, 2^{20012021101201} is an apocalyptic number.

It is an amenable number.

20012021101201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012021101201 is an equidigital number, since it uses as much as digits as its factorization.

20012021101201 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 20012021101201 its reverse (10210112021002), we get a palindrome (30222133122203).

The spelling of 20012021101201 in words is "twenty trillion, twelve billion, twenty-one million, one hundred one thousand, two hundred one".