101022424221421 has 2 divisors, whose sum is σ = 101022424221422. Its totient is φ = 101022424221420.

The previous prime is 101022424221281. The next prime is 101022424221451. The reversal of 101022424221421 is 124122424220101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100998580538025 + 23843683396 = 10049805^2 + 154414^2 .

It is a cyclic number.

It is not a de Polignac number, because 101022424221421 - 2⁴³ = 92226331199213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101022424221421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101022424221451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511212110710 + 50511212110711.

It is an arithmetic number, because the mean of its divisors is an integer number (50511212110711).

Almost surely, 2^{101022424221421} is an apocalyptic number.

It is an amenable number.

101022424221421 is a deficient number, since it is larger than the sum of its proper divisors (1).

101022424221421 is an equidigital number, since it uses as much as digits as its factorization.

101022424221421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 101022424221421 its reverse (124122424220101), we get a palindrome (225144848441522).

The spelling of 101022424221421 in words is "one hundred one trillion, twenty-two billion, four hundred twenty-four million, two hundred twenty-one thousand, four hundred twenty-one".