107210221669 has 4 divisors (see below), whose sum is σ = 107211365100. Its totient is φ = 107209078240.

The previous prime is 107210221639. The next prime is 107210221681. The reversal of 107210221669 is 966122012701.

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 23768388900 + 83441832769 = 154170^2 + 288863^2 .

It is a cyclic number.

It is not a de Polignac number, because 107210221669 - 2²⁷ = 107076003941 is a prime.

It is a super-2 number, since 2×107210221669² (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 (107210221619) 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, 417142 + ... + 623239.

It is an arithmetic number, because the mean of its divisors is an integer number (26802841275).

Almost surely, 2^107210221669 is an apocalyptic number.

It is an amenable number.

107210221669 is a deficient number, since it is larger than the sum of its proper divisors (1143431).

107210221669 is a wasteful number, since it uses less digits than its factorization.

107210221669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143430.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 107210221669 in words is "one hundred seven billion, two hundred ten million, two hundred twenty-one thousand, six hundred sixty-nine".