103033156421 has 16 divisors (see below), whose sum is σ = 112061738880. Its totient is φ = 94162564800.

The previous prime is 103033156381. The next prime is 103033156441. The reversal of 103033156421 is 124651330301.

It is a cyclic number.

It is not a de Polignac number, because 103033156421 - 2¹⁸ = 103032894277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103033156441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10574570 + ... + 10584308.

It is an arithmetic number, because the mean of its divisors is an integer number (7003858680).

Almost surely, 2^103033156421 is an apocalyptic number.

It is an amenable number.

103033156421 is a deficient number, since it is larger than the sum of its proper divisors (9028582459).

103033156421 is a wasteful number, since it uses less digits than its factorization.

103033156421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17756.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 103033156421 its reverse (124651330301), we get a palindrome (227684486722).

The spelling of 103033156421 in words is "one hundred three billion, thirty-three million, one hundred fifty-six thousand, four hundred twenty-one".