244000101421 has 2 divisors, whose sum is σ = 244000101422. Its totient is φ = 244000101420.

The previous prime is 244000101391. The next prime is 244000101473. The reversal of 244000101421 is 124101000442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148621044196 + 95379057225 = 385514^2 + 308835^2 .

It is a cyclic number.

It is not a de Polignac number, because 244000101421 - 2¹³ = 244000093229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244000101481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122000050710 + 122000050711.

It is an arithmetic number, because the mean of its divisors is an integer number (122000050711).

Almost surely, 2^244000101421 is an apocalyptic number.

It is an amenable number.

244000101421 is a deficient number, since it is larger than the sum of its proper divisors (1).

244000101421 is an equidigital number, since it uses as much as digits as its factorization.

244000101421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 244000101421 its reverse (124101000442), we get a palindrome (368101101863).

The spelling of 244000101421 in words is "two hundred forty-four billion, one hundred one thousand, four hundred twenty-one".