101312021103 has 32 divisors (see below), whose sum is σ = 147658506240. Its totient is φ = 61551485280.

The previous prime is 101312021093. The next prime is 101312021183. The reversal of 101312021103 is 301120213101.

It is a happy number.

It is not a de Polignac number, because 101312021103 - 2⁵ = 101312021071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101312021183) 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, 123426 + ... + 466752.

It is an arithmetic number, because the mean of its divisors is an integer number (4614328320).

Almost surely, 2^101312021103 is an apocalyptic number.

101312021103 is a deficient number, since it is larger than the sum of its proper divisors (46346485137).

101312021103 is a wasteful number, since it uses less digits than its factorization.

101312021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343547.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101312021103 its reverse (301120213101), we get a palindrome (402432234204).

The spelling of 101312021103 in words is "one hundred one billion, three hundred twelve million, twenty-one thousand, one hundred three".