201050561099 has 2 divisors, whose sum is σ = 201050561100. Its totient is φ = 201050561098.

The previous prime is 201050561087. The next prime is 201050561137. The reversal of 201050561099 is 990165050102.

It is an a-pointer prime, because the next prime (201050561137) can be obtained adding 201050561099 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201050561099 - 2¹² = 201050557003 is a prime.

It is not a weakly prime, because it can be changed into another prime (201050561399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100525280549 + 100525280550.

It is an arithmetic number, because the mean of its divisors is an integer number (100525280550).

Almost surely, 2^201050561099 is an apocalyptic number.

201050561099 is a deficient number, since it is larger than the sum of its proper divisors (1).

201050561099 is an equidigital number, since it uses as much as digits as its factorization.

201050561099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 38.

The spelling of 201050561099 in words is "two hundred one billion, fifty million, five hundred sixty-one thousand, ninety-nine".