2000021110993 has 2 divisors, whose sum is σ = 2000021110994. Its totient is φ = 2000021110992.

The previous prime is 2000021110963. The next prime is 2000021111029. The reversal of 2000021110993 is 3990111200002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1043795285569 + 956225825424 = 1021663^2 + 977868^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000021110993 - 2²¹ = 2000019013841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000021110933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000010555496 + 1000010555497.

It is an arithmetic number, because the mean of its divisors is an integer number (1000010555497).

Almost surely, 2^{2000021110993} is an apocalyptic number.

It is an amenable number.

2000021110993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000021110993 is an equidigital number, since it uses as much as digits as its factorization.

2000021110993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

Adding to 2000021110993 its reverse (3990111200002), we get a palindrome (5990132310995).

The spelling of 2000021110993 in words is "two trillion, twenty-one million, one hundred ten thousand, nine hundred ninety-three".