2100020221193 has 2 divisors, whose sum is σ = 2100020221194. Its totient is φ = 2100020221192.

The previous prime is 2100020221109. The next prime is 2100020221217. The reversal of 2100020221193 is 3911220200012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2099971960384 + 48260809 = 1449128^2 + 6947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100020221193 - 2³⁰ = 2098946479369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100020221093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050010110596 + 1050010110597.

It is an arithmetic number, because the mean of its divisors is an integer number (1050010110597).

Almost surely, 2^{2100020221193} is an apocalyptic number.

It is an amenable number.

2100020221193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100020221193 is an equidigital number, since it uses as much as digits as its factorization.

2100020221193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 2100020221193 in words is "two trillion, one hundred billion, twenty million, two hundred twenty-one thousand, one hundred ninety-three".