100273400322621 has 16 divisors (see below), whose sum is σ = 135730978082304. Its totient is φ = 65832931297584.

The previous prime is 100273400322583. The next prime is 100273400322631. The reversal of 100273400322621 is 126223004372001.

It is not a de Polignac number, because 100273400322621 - 2²² = 100273396128317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100273400322631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68428395 + ... + 69878408.

It is an arithmetic number, because the mean of its divisors is an integer number (8483186130144).

Almost surely, 2^{100273400322621} is an apocalyptic number.

It is an amenable number.

100273400322621 is a deficient number, since it is larger than the sum of its proper divisors (35457577759683).

100273400322621 is a wasteful number, since it uses less digits than its factorization.

100273400322621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138310480.

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 100273400322621 its reverse (126223004372001), we get a palindrome (226496404694622).

The spelling of 100273400322621 in words is "one hundred trillion, two hundred seventy-three billion, four hundred million, three hundred twenty-two thousand, six hundred twenty-one".