106105606121 has 4 divisors (see below), whose sum is σ = 107689271952. Its totient is φ = 104521940292.

The previous prime is 106105606099. The next prime is 106105606127. The reversal of 106105606121 is 121606501601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121606501601 = 13 ⋅9354346277.

It is a cyclic number.

It is not a de Polignac number, because 106105606121 - 2³⁴ = 88925736937 is a prime.

It is a super-2 number, since 2×106105606121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106105606127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791832815 + ... + 791832948.

It is an arithmetic number, because the mean of its divisors is an integer number (26922317988).

Almost surely, 2^106105606121 is an apocalyptic number.

It is an amenable number.

106105606121 is a deficient number, since it is larger than the sum of its proper divisors (1583665831).

106105606121 is an equidigital number, since it uses as much as digits as its factorization.

106105606121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583665830.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 106105606121 in words is "one hundred six billion, one hundred five million, six hundred six thousand, one hundred twenty-one".