210101001020993 has 2 divisors, whose sum is σ = 210101001020994. Its totient is φ = 210101001020992.

The previous prime is 210101001020971. The next prime is 210101001021089. The reversal of 210101001020993 is 399020100101012.

210101001020993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127899633169984 + 82201367851009 = 11309272^2 + 9066497^2 .

It is a cyclic number.

It is not a de Polignac number, because 210101001020993 - 2¹⁸ = 210101000758849 is a prime.

It is not a weakly prime, because it can be changed into another prime (210101001020893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050500510496 + 105050500510497.

It is an arithmetic number, because the mean of its divisors is an integer number (105050500510497).

Almost surely, 2^{210101001020993} is an apocalyptic number.

It is an amenable number.

210101001020993 is a deficient number, since it is larger than the sum of its proper divisors (1).

210101001020993 is an equidigital number, since it uses as much as digits as its factorization.

210101001020993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 210101001020993 in words is "two hundred ten trillion, one hundred one billion, one million, twenty thousand, nine hundred ninety-three".