2101211099983 has 2 divisors, whose sum is σ = 2101211099984. Its totient is φ = 2101211099982.

The previous prime is 2101211099969. The next prime is 2101211100083. The reversal of 2101211099983 is 3899901121012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101211099983 - 2⁵ = 2101211099951 is a prime.

It is a super-4 number, since 4×2101211099983⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101211099683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050605549991 + 1050605549992.

It is an arithmetic number, because the mean of its divisors is an integer number (1050605549992).

Almost surely, 2^{2101211099983} is an apocalyptic number.

2101211099983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101211099983 is an equidigital number, since it uses as much as digits as its factorization.

2101211099983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 2101211099983 in words is "two trillion, one hundred one billion, two hundred eleven million, ninety-nine thousand, nine hundred eighty-three".