210001121100053 has 2 divisors, whose sum is σ = 210001121100054. Its totient is φ = 210001121100052.

The previous prime is 210001121100019. The next prime is 210001121100073. The reversal of 210001121100053 is 350001121100012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193319630947249 + 16681490152804 = 13903943^2 + 4084298^2 .

It is a cyclic number.

It is not a de Polignac number, because 210001121100053 - 2²⁸ = 210000852664597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210001121100013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000560550026 + 105000560550027.

It is an arithmetic number, because the mean of its divisors is an integer number (105000560550027).

Almost surely, 2^{210001121100053} is an apocalyptic number.

It is an amenable number.

210001121100053 is a deficient number, since it is larger than the sum of its proper divisors (1).

210001121100053 is an equidigital number, since it uses as much as digits as its factorization.

210001121100053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 210001121100053 its reverse (350001121100012), we get a palindrome (560002242200065).

The spelling of 210001121100053 in words is "two hundred ten trillion, one billion, one hundred twenty-one million, one hundred thousand, fifty-three".