2100211101983 has 2 divisors, whose sum is σ = 2100211101984. Its totient is φ = 2100211101982.

The previous prime is 2100211101977. The next prime is 2100211102013. The reversal of 2100211101983 is 3891011120012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100211101983 - 2²⁰ = 2100210053407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2106211101983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050105550991 + 1050105550992.

It is an arithmetic number, because the mean of its divisors is an integer number (1050105550992).

Almost surely, 2^{2100211101983} is an apocalyptic number.

2100211101983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100211101983 is an equidigital number, since it uses as much as digits as its factorization.

2100211101983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 29.

Adding to 2100211101983 its reverse (3891011120012), we get a palindrome (5991222221995).

The spelling of 2100211101983 in words is "two trillion, one hundred billion, two hundred eleven million, one hundred one thousand, nine hundred eighty-three".