980210101 has 4 divisors (see below), whose sum is σ = 1055610892. Its totient is φ = 904809312.

The previous prime is 980210087. The next prime is 980210107. The reversal of 980210101 is 101012089.

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 255200625 + 725009476 = 15975^2 + 26926^2 .

It is a cyclic number.

It is not a de Polignac number, because 980210101 - 2¹⁵ = 980177333 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 (980210107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37700376 + ... + 37700401.

It is an arithmetic number, because the mean of its divisors is an integer number (263902723).

Almost surely, 2^980210101 is an apocalyptic number.

It is an amenable number.

980210101 is a deficient number, since it is larger than the sum of its proper divisors (75400791).

980210101 is a wasteful number, since it uses less digits than its factorization.

980210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75400790.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 980210101 is about 31308.3072202890. The cubic root of 980210101 is about 993.3593666010.

The spelling of 980210101 in words is "nine hundred eighty million, two hundred ten thousand, one hundred one".