106255163221 has 16 divisors (see below), whose sum is σ = 107793319104. Its totient is φ = 104729376384.

The previous prime is 106255163167. The next prime is 106255163233. The reversal of 106255163221 is 122361552601.

It is a cyclic number.

It is not a de Polignac number, because 106255163221 - 2¹⁹ = 106254638933 is a prime.

It is a super-2 number, since 2×106255163221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106255163251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33338590 + ... + 33341776.

It is an arithmetic number, because the mean of its divisors is an integer number (6737082444).

Almost surely, 2^106255163221 is an apocalyptic number.

It is an amenable number.

106255163221 is a deficient number, since it is larger than the sum of its proper divisors (1538155883).

106255163221 is a wasteful number, since it uses less digits than its factorization.

106255163221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 106255163221 in words is "one hundred six billion, two hundred fifty-five million, one hundred sixty-three thousand, two hundred twenty-one".