2100122200273 has 2 divisors, whose sum is σ = 2100122200274. Its totient is φ = 2100122200272.

The previous prime is 2100122200259. The next prime is 2100122200307. The reversal of 2100122200273 is 3720022210012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1407953111184 + 692169089089 = 1186572^2 + 831967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100122200273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100122200073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050061100136 + 1050061100137.

It is an arithmetic number, because the mean of its divisors is an integer number (1050061100137).

Almost surely, 2^{2100122200273} is an apocalyptic number.

It is an amenable number.

2100122200273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100122200273 is an equidigital number, since it uses as much as digits as its factorization.

2100122200273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 2100122200273 its reverse (3720022210012), we get a palindrome (5820144410285).

The spelling of 2100122200273 in words is "two trillion, one hundred billion, one hundred twenty-two million, two hundred thousand, two hundred seventy-three".