38100200221 has 2 divisors, whose sum is σ = 38100200222. Its totient is φ = 38100200220.

The previous prime is 38100200147. The next prime is 38100200249. The reversal of 38100200221 is 12200200183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37337832900 + 762367321 = 193230^2 + 27611^2 .

It is an emirp because it is prime and its reverse (12200200183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38100200221 - 2¹⁵ = 38100167453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38100200321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19050100110 + 19050100111.

It is an arithmetic number, because the mean of its divisors is an integer number (19050100111).

Almost surely, 2^38100200221 is an apocalyptic number.

It is an amenable number.

38100200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

38100200221 is an equidigital number, since it uses as much as digits as its factorization.

38100200221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The spelling of 38100200221 in words is "thirty-eight billion, one hundred million, two hundred thousand, two hundred twenty-one".