10421144101 has 2 divisors, whose sum is σ = 10421144102. Its totient is φ = 10421144100.

The previous prime is 10421144093. The next prime is 10421144141. The reversal of 10421144101 is 10144112401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9528688225 + 892455876 = 97615^2 + 29874^2 .

It is a cyclic number.

It is not a de Polignac number, because 10421144101 - 2³ = 10421144093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10421144141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210572050 + 5210572051.

It is an arithmetic number, because the mean of its divisors is an integer number (5210572051).

Almost surely, 2^10421144101 is an apocalyptic number.

It is an amenable number.

10421144101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421144101 is an equidigital number, since it uses as much as digits as its factorization.

10421144101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10421144101 its reverse (10144112401), we get a palindrome (20565256502).

The spelling of 10421144101 in words is "ten billion, four hundred twenty-one million, one hundred forty-four thousand, one hundred one".