100273436056421 has 2 divisors, whose sum is σ = 100273436056422. Its totient is φ = 100273436056420.

The previous prime is 100273436056403. The next prime is 100273436056439. The reversal of 100273436056421 is 124650634372001.

It is a balanced prime because it is at equal distance from previous prime (100273436056403) and next prime (100273436056439).

It can be written as a sum of positive squares in only one way, i.e., 97740608368225 + 2532827688196 = 9886385^2 + 1591486^2 .

It is a cyclic number.

It is not a de Polignac number, because 100273436056421 - 2⁴⁶ = 29904691878757 is a prime.

It is a super-2 number, since 2×100273436056421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100273436056621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50136718028210 + 50136718028211.

It is an arithmetic number, because the mean of its divisors is an integer number (50136718028211).

Almost surely, 2^{100273436056421} is an apocalyptic number.

It is an amenable number.

100273436056421 is a deficient number, since it is larger than the sum of its proper divisors (1).

100273436056421 is an equidigital number, since it uses as much as digits as its factorization.

100273436056421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 100273436056421 in words is "one hundred trillion, two hundred seventy-three billion, four hundred thirty-six million, fifty-six thousand, four hundred twenty-one".