101213401 has 2 divisors, whose sum is σ = 101213402. Its totient is φ = 101213400.

The previous prime is 101213369. The next prime is 101213407. The reversal of 101213401 is 104312101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101203600 + 9801 = 10060^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 101213401 - 2⁵ = 101213369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101213407) 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, 50606700 + 50606701.

It is an arithmetic number, because the mean of its divisors is an integer number (50606701).

Almost surely, 2^101213401 is an apocalyptic number.

It is an amenable number.

101213401 is a deficient number, since it is larger than the sum of its proper divisors (1).

101213401 is an equidigital number, since it uses as much as digits as its factorization.

101213401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101213401 is about 10060.4871154433. The cubic root of 101213401 is about 466.0287103091.

Adding to 101213401 its reverse (104312101), we get a palindrome (205525502).

The spelling of 101213401 in words is "one hundred one million, two hundred thirteen thousand, four hundred one".