16442112101 has 2 divisors, whose sum is σ = 16442112102. Its totient is φ = 16442112100.

The previous prime is 16442112073. The next prime is 16442112119. The reversal of 16442112101 is 10121124461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11365692100 + 5076420001 = 106610^2 + 71249^2 .

It is a cyclic number.

It is not a de Polignac number, because 16442112101 - 2²⁶ = 16375003237 is a prime.

It is a super-3 number, since 3×16442112101³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16442112151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221056050 + 8221056051.

It is an arithmetic number, because the mean of its divisors is an integer number (8221056051).

Almost surely, 2^16442112101 is an apocalyptic number.

It is an amenable number.

16442112101 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442112101 is an equidigital number, since it uses as much as digits as its factorization.

16442112101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 16442112101 its reverse (10121124461), we get a palindrome (26563236562).

The spelling of 16442112101 in words is "sixteen billion, four hundred forty-two million, one hundred twelve thousand, one hundred one".