2021110210993 has 2 divisors, whose sum is σ = 2021110210994. Its totient is φ = 2021110210992.

The previous prime is 2021110210967. The next prime is 2021110211009. The reversal of 2021110210993 is 3990120111202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1842597200929 + 178513010064 = 1357423^2 + 422508^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021110210993 - 2²¹ = 2021108113841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021110210193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010555105496 + 1010555105497.

It is an arithmetic number, because the mean of its divisors is an integer number (1010555105497).

Almost surely, 2^{2021110210993} is an apocalyptic number.

It is an amenable number.

2021110210993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021110210993 is an equidigital number, since it uses as much as digits as its factorization.

2021110210993 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 2021110210993 in words is "two trillion, twenty-one billion, one hundred ten million, two hundred ten thousand, nine hundred ninety-three".