9790212101 has 4 divisors (see below), whose sum is σ = 10028997804. Its totient is φ = 9551426400.

The previous prime is 9790212097. The next prime is 9790212121. The reversal of 9790212101 is 1012120979.

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 1690032100 + 8100180001 = 41110^2 + 90001^2 .

It is a cyclic number.

It is not a de Polignac number, because 9790212101 - 2² = 9790212097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9790212121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119392790 + ... + 119392871.

It is an arithmetic number, because the mean of its divisors is an integer number (2507249451).

Almost surely, 2^9790212101 is an apocalyptic number.

It is an amenable number.

9790212101 is a deficient number, since it is larger than the sum of its proper divisors (238785703).

9790212101 is a wasteful number, since it uses less digits than its factorization.

9790212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238785702.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 9790212101 is about 98945.5006607173. The cubic root of 9790212101 is about 2139.2622796341.

The spelling of 9790212101 in words is "nine billion, seven hundred ninety million, two hundred twelve thousand, one hundred one".