2210102100121 has 2 divisors, whose sum is σ = 2210102100122. Its totient is φ = 2210102100120.

The previous prime is 2210102100077. The next prime is 2210102100139. The reversal of 2210102100121 is 1210012010122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2162558478096 + 47543622025 = 1470564^2 + 218045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210102100121 - 2¹⁵ = 2210102067353 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210102100191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105051050060 + 1105051050061.

It is an arithmetic number, because the mean of its divisors is an integer number (1105051050061).

Almost surely, 2^{2210102100121} is an apocalyptic number.

It is an amenable number.

2210102100121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210102100121 is an equidigital number, since it uses as much as digits as its factorization.

2210102100121 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 2210102100121 its reverse (1210012010122), we get a palindrome (3420114110243).

The spelling of 2210102100121 in words is "two trillion, two hundred ten billion, one hundred two million, one hundred thousand, one hundred twenty-one".