101433444421 has 2 divisors, whose sum is σ = 101433444422. Its totient is φ = 101433444420.

The previous prime is 101433444401. The next prime is 101433444439. The reversal of 101433444421 is 124444334101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101433332196 + 112225 = 318486^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 101433444421 - 2⁷ = 101433444293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101433444401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50716722210 + 50716722211.

It is an arithmetic number, because the mean of its divisors is an integer number (50716722211).

Almost surely, 2^101433444421 is an apocalyptic number.

It is an amenable number.

101433444421 is a deficient number, since it is larger than the sum of its proper divisors (1).

101433444421 is an equidigital number, since it uses as much as digits as its factorization.

101433444421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 101433444421 its reverse (124444334101), we get a palindrome (225877778522).

The spelling of 101433444421 in words is "one hundred one billion, four hundred thirty-three million, four hundred forty-four thousand, four hundred twenty-one".