103023111221 has 8 divisors (see below), whose sum is σ = 109297612440. Its totient is φ = 96772423168.

The previous prime is 103023111199. The next prime is 103023111223. The reversal of 103023111221 is 122111320301.

It can be written as a sum of positive squares in 4 ways, for example, as 53216030596 + 49807080625 = 230686^2 + 223175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103023111221 - 2⁶ = 103023111157 is a prime.

It is a super-2 number, since 2×103023111221² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103023111221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103023111223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5944376 + ... + 5961681.

It is an arithmetic number, because the mean of its divisors is an integer number (13662201555).

Almost surely, 2^103023111221 is an apocalyptic number.

It is an amenable number.

103023111221 is a deficient number, since it is larger than the sum of its proper divisors (6274501219).

103023111221 is a wasteful number, since it uses less digits than its factorization.

103023111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11906583.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103023111221 its reverse (122111320301), we get a palindrome (225134431522).

The spelling of 103023111221 in words is "one hundred three billion, twenty-three million, one hundred eleven thousand, two hundred twenty-one".