106221406445 has 48 divisors (see below), whose sum is σ = 162208137600. Its totient is φ = 66030894720.

The previous prime is 106221406433. The next prime is 106221406453. The reversal of 106221406445 is 544604122601.

It is not a de Polignac number, because 106221406445 - 2⁸ = 106221406189 is a prime.

It is a super-2 number, since 2×106221406445² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 912611 + ... + 1022399.

It is an arithmetic number, because the mean of its divisors is an integer number (3379336200).

Almost surely, 2^106221406445 is an apocalyptic number.

It is an amenable number.

106221406445 is a deficient number, since it is larger than the sum of its proper divisors (55986731155).

106221406445 is a wasteful number, since it uses less digits than its factorization.

106221406445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110178 (or 110171 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 106221406445 in words is "one hundred six billion, two hundred twenty-one million, four hundred six thousand, four hundred forty-five".