101210801 has 2 divisors, whose sum is σ = 101210802. Its totient is φ = 101210800.

The previous prime is 101210779. The next prime is 101210807. The reversal of 101210801 is 108012101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95570176 + 5640625 = 9776^2 + 2375^2 .

It is a cyclic number.

It is not a de Polignac number, because 101210801 - 2⁶ = 101210737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (101210807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605400 + 50605401.

It is an arithmetic number, because the mean of its divisors is an integer number (50605401).

Almost surely, 2^101210801 is an apocalyptic number.

It is an amenable number.

101210801 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210801 is an equidigital number, since it uses as much as digits as its factorization.

101210801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 101210801 is about 10060.3578962182. The cubic root of 101210801 is about 466.0247197801.

Adding to 101210801 its reverse (108012101), we get a palindrome (209222902).

The spelling of 101210801 in words is "one hundred one million, two hundred ten thousand, eight hundred one".