101030214421 has 2 divisors, whose sum is σ = 101030214422. Its totient is φ = 101030214420.

The previous prime is 101030214407. The next prime is 101030214427. The reversal of 101030214421 is 124412030101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60954178321 + 40076036100 = 246889^2 + 200190^2 .

It is a cyclic number.

It is not a de Polignac number, because 101030214421 - 2⁷ = 101030214293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101030214427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515107210 + 50515107211.

It is an arithmetic number, because the mean of its divisors is an integer number (50515107211).

Almost surely, 2^101030214421 is an apocalyptic number.

It is an amenable number.

101030214421 is a deficient number, since it is larger than the sum of its proper divisors (1).

101030214421 is an equidigital number, since it uses as much as digits as its factorization.

101030214421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101030214421 its reverse (124412030101), we get a palindrome (225442244522).

The spelling of 101030214421 in words is "one hundred one billion, thirty million, two hundred fourteen thousand, four hundred twenty-one".