103222022021 has 4 divisors (see below), whose sum is σ = 103240562700. Its totient is φ = 103203481344.

The previous prime is 103222022011. The next prime is 103222022027. The reversal of 103222022021 is 120220222301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120220222301 = 23 ⋅5226966187.

It can be written as a sum of positive squares in 2 ways, for example, as 9684528100 + 93537493921 = 98410^2 + 305839^2 .

It is a cyclic number.

It is not a de Polignac number, because 103222022021 - 2²² = 103217827717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103222022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9261986 + ... + 9273123.

It is an arithmetic number, because the mean of its divisors is an integer number (25810140675).

Almost surely, 2^103222022021 is an apocalyptic number.

It is an amenable number.

103222022021 is a deficient number, since it is larger than the sum of its proper divisors (18540679).

103222022021 is an equidigital number, since it uses as much as digits as its factorization.

103222022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18540678.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 103222022021 its reverse (120220222301), we get a palindrome (223442244322).

The spelling of 103222022021 in words is "one hundred three billion, two hundred twenty-two million, twenty-two thousand, twenty-one".