210100021210993 has 2 divisors, whose sum is σ = 210100021210994. Its totient is φ = 210100021210992.

The previous prime is 210100021210987. The next prime is 210100021211051. The reversal of 210100021210993 is 399012120001012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207651760156129 + 2448261054864 = 14410127^2 + 1564692^2 .

It is a cyclic number.

It is not a de Polignac number, because 210100021210993 - 2⁹ = 210100021210481 is a prime.

It is not a weakly prime, because it can be changed into another prime (210100021210693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050010605496 + 105050010605497.

It is an arithmetic number, because the mean of its divisors is an integer number (105050010605497).

Almost surely, 2^{210100021210993} is an apocalyptic number.

It is an amenable number.

210100021210993 is a deficient number, since it is larger than the sum of its proper divisors (1).

210100021210993 is an equidigital number, since it uses as much as digits as its factorization.

210100021210993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 210100021210993 in words is "two hundred ten trillion, one hundred billion, twenty-one million, two hundred ten thousand, nine hundred ninety-three".