210450101 has 2 divisors, whose sum is σ = 210450102. Its totient is φ = 210450100.

The previous prime is 210450091. The next prime is 210450143. The reversal of 210450101 is 101054012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208947025 + 1503076 = 14455^2 + 1226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210450101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210450151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105225050 + 105225051.

It is an arithmetic number, because the mean of its divisors is an integer number (105225051).

Almost surely, 2^210450101 is an apocalyptic number.

It is an amenable number.

210450101 is a deficient number, since it is larger than the sum of its proper divisors (1).

210450101 is an equidigital number, since it uses as much as digits as its factorization.

210450101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 210450101 is about 14506.8983935230. The cubic root of 210450101 is about 594.8165533848.

The spelling of 210450101 in words is "two hundred ten million, four hundred fifty thousand, one hundred one".