83667120101 has 4 divisors (see below), whose sum is σ = 84200031852. Its totient is φ = 83134208352.

The previous prime is 83667120091. The next prime is 83667120137. The reversal of 83667120101 is 10102176638.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36316924900 + 47350195201 = 190570^2 + 217601^2 .

It is a cyclic number.

It is not a de Polignac number, because 83667120101 - 2⁶ = 83667120037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83667120301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266455640 + ... + 266455953.

It is an arithmetic number, because the mean of its divisors is an integer number (21050007963).

Almost surely, 2^83667120101 is an apocalyptic number.

It is an amenable number.

83667120101 is a deficient number, since it is larger than the sum of its proper divisors (532911751).

83667120101 is a wasteful number, since it uses less digits than its factorization.

83667120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532911750.

The product of its (nonzero) digits is 12096, while the sum is 35.

Adding to 83667120101 its reverse (10102176638), we get a palindrome (93769296739).

The spelling of 83667120101 in words is "eighty-three billion, six hundred sixty-seven million, one hundred twenty thousand, one hundred one".