221341102031 has 16 divisors (see below), whose sum is σ = 254869440000. Its totient is φ = 188290757088.

The previous prime is 221341102013. The next prime is 221341102051. The reversal of 221341102031 is 130201143122.

It is a de Polignac number, because none of the positive numbers 2^k-221341102031 is a prime.

It is a super-2 number, since 2×221341102031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221341101994 and 221341102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221341102001) 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, 2880101 + ... + 2955953.

It is an arithmetic number, because the mean of its divisors is an integer number (15929340000).

Almost surely, 2^221341102031 is an apocalyptic number.

221341102031 is a deficient number, since it is larger than the sum of its proper divisors (33528337969).

221341102031 is a wasteful number, since it uses less digits than its factorization.

221341102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78998.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 221341102031 its reverse (130201143122), we get a palindrome (351542245153).

The spelling of 221341102031 in words is "two hundred twenty-one billion, three hundred forty-one million, one hundred two thousand, thirty-one".