100201000320123 has 32 divisors (see below), whose sum is σ = 141517018266624. Its totient is φ = 62845984599552.

The previous prime is 100201000320097. The next prime is 100201000320143. The reversal of 100201000320123 is 321023000102001.

It is not a de Polignac number, because 100201000320123 - 2²⁰ = 100200999271547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100201000320143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1356285061 + ... + 1356358937.

It is an arithmetic number, because the mean of its divisors is an integer number (4422406820832).

Almost surely, 2^{100201000320123} is an apocalyptic number.

100201000320123 is a deficient number, since it is larger than the sum of its proper divisors (41316017946501).

100201000320123 is a wasteful number, since it uses less digits than its factorization.

100201000320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84211.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100201000320123 its reverse (321023000102001), we get a palindrome (421224000422124).

The spelling of 100201000320123 in words is "one hundred trillion, two hundred one billion, three hundred twenty thousand, one hundred twenty-three".