106221005672 has 8 divisors (see below), whose sum is σ = 199164385650. Its totient is φ = 53110502832.

The previous prime is 106221005641. The next prime is 106221005689. The reversal of 106221005672 is 276500122601.

It can be written as a sum of positive squares in only one way, i.e., 76393643236 + 29827362436 = 276394^2 + 172706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×106221005672² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6638812847 + ... + 6638812862.

Almost surely, 2^106221005672 is an apocalyptic number.

It is an amenable number.

106221005672 is a deficient number, since it is larger than the sum of its proper divisors (92943379978).

106221005672 is a wasteful number, since it uses less digits than its factorization.

106221005672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13277625715 (or 13277625711 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 106221005672 in words is "one hundred six billion, two hundred twenty-one million, five thousand, six hundred seventy-two".