101220344403 has 32 divisors (see below), whose sum is σ = 139979120640. Its totient is φ = 65016911520.

The previous prime is 101220344359. The next prime is 101220344437. The reversal of 101220344403 is 304443022101.

It is not a de Polignac number, because 101220344403 - 2⁶ = 101220344339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101220344483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22396578 + ... + 22401096.

It is an arithmetic number, because the mean of its divisors is an integer number (4374347520).

Almost surely, 2^101220344403 is an apocalyptic number.

101220344403 is a deficient number, since it is larger than the sum of its proper divisors (38758776237).

101220344403 is a wasteful number, since it uses less digits than its factorization.

101220344403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 101220344403 its reverse (304443022101), we get a palindrome (405663366504).

The spelling of 101220344403 in words is "one hundred one billion, two hundred twenty million, three hundred forty-four thousand, four hundred three".