106712846921 has 2 divisors, whose sum is σ = 106712846922. Its totient is φ = 106712846920.

The previous prime is 106712846917. The next prime is 106712846959. The reversal of 106712846921 is 129648217601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102515232400 + 4197614521 = 320180^2 + 64789^2 .

It is a cyclic number.

It is not a de Polignac number, because 106712846921 - 2² = 106712846917 is a prime.

It is a super-2 number, since 2×106712846921² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106712546921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53356423460 + 53356423461.

It is an arithmetic number, because the mean of its divisors is an integer number (53356423461).

Almost surely, 2^106712846921 is an apocalyptic number.

It is an amenable number.

106712846921 is a deficient number, since it is larger than the sum of its proper divisors (1).

106712846921 is an equidigital number, since it uses as much as digits as its factorization.

106712846921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 106712846921 in words is "one hundred six billion, seven hundred twelve million, eight hundred forty-six thousand, nine hundred twenty-one".