103032011221 has 4 divisors (see below), whose sum is σ = 103034843532. Its totient is φ = 103029178912.

The previous prime is 103032011171. The next prime is 103032011263. The reversal of 103032011221 is 122110230301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42306730596 + 60725280625 = 205686^2 + 246425^2 .

It is a cyclic number.

It is not a de Polignac number, because 103032011221 - 2¹⁵ = 103031978453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103032011195 and 103032011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103032041221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360870 + ... + 1434583.

It is an arithmetic number, because the mean of its divisors is an integer number (25758710883).

Almost surely, 2^103032011221 is an apocalyptic number.

It is an amenable number.

103032011221 is a deficient number, since it is larger than the sum of its proper divisors (2832311).

103032011221 is an equidigital number, since it uses as much as digits as its factorization.

103032011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832310.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103032011221 its reverse (122110230301), we get a palindrome (225142241522).

The spelling of 103032011221 in words is "one hundred three billion, thirty-two million, eleven thousand, two hundred twenty-one".