221200100141 has 2 divisors, whose sum is σ = 221200100142. Its totient is φ = 221200100140.

The previous prime is 221200100117. The next prime is 221200100159. The reversal of 221200100141 is 141001002122.

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., 150206629225 + 70993470916 = 387565^2 + 266446^2 .

It is a cyclic number.

It is not a de Polignac number, because 221200100141 - 2²² = 221195905837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221200100041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600050070 + 110600050071.

It is an arithmetic number, because the mean of its divisors is an integer number (110600050071).

Almost surely, 2^221200100141 is an apocalyptic number.

It is an amenable number.

221200100141 is a deficient number, since it is larger than the sum of its proper divisors (1).

221200100141 is an equidigital number, since it uses as much as digits as its factorization.

221200100141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221200100141 its reverse (141001002122), we get a palindrome (362201102263).

The spelling of 221200100141 in words is "two hundred twenty-one billion, two hundred million, one hundred thousand, one hundred forty-one".