101222141 has 2 divisors, whose sum is σ = 101222142. Its totient is φ = 101222140.

The previous prime is 101222137. The next prime is 101222159. The reversal of 101222141 is 141222101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66765241 + 34456900 = 8171^2 + 5870^2 .

It is a cyclic number.

It is not a de Polignac number, because 101222141 - 2² = 101222137 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101222041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611070 + 50611071.

It is an arithmetic number, because the mean of its divisors is an integer number (50611071).

Almost surely, 2^101222141 is an apocalyptic number.

It is an amenable number.

101222141 is a deficient number, since it is larger than the sum of its proper divisors (1).

101222141 is an equidigital number, since it uses as much as digits as its factorization.

101222141 is an odious number, because the sum of its binary digits is odd.

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

The square root of 101222141 is about 10060.9214786718. The cubic root of 101222141 is about 466.0421241247.

Adding to 101222141 its reverse (141222101), we get a palindrome (242444242).

The spelling of 101222141 in words is "one hundred one million, two hundred twenty-two thousand, one hundred forty-one".