2102120101201 has 2 divisors, whose sum is σ = 2102120101202. Its totient is φ = 2102120101200.

The previous prime is 2102120101177. The next prime is 2102120101219. The reversal of 2102120101201 is 1021010212012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1425982281025 + 676137820176 = 1194145^2 + 822276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102120101201 - 2³¹ = 2099972617553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102120101001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051060050600 + 1051060050601.

It is an arithmetic number, because the mean of its divisors is an integer number (1051060050601).

Almost surely, 2^{2102120101201} is an apocalyptic number.

It is an amenable number.

2102120101201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102120101201 is an equidigital number, since it uses as much as digits as its factorization.

2102120101201 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2102120101201 its reverse (1021010212012), we get a palindrome (3123130313213).

The spelling of 2102120101201 in words is "two trillion, one hundred two billion, one hundred twenty million, one hundred one thousand, two hundred one".