3123420021103 has 2 divisors, whose sum is σ = 3123420021104. Its totient is φ = 3123420021102.

The previous prime is 3123420021089. The next prime is 3123420021191. The reversal of 3123420021103 is 3011200243213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3123420021103 - 2²⁵ = 3123386466671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123420021193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561710010551 + 1561710010552.

It is an arithmetic number, because the mean of its divisors is an integer number (1561710010552).

Almost surely, 2^{3123420021103} is an apocalyptic number.

3123420021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123420021103 is an equidigital number, since it uses as much as digits as its factorization.

3123420021103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3123420021103 its reverse (3011200243213), we get a palindrome (6134620264316).

The spelling of 3123420021103 in words is "three trillion, one hundred twenty-three billion, four hundred twenty million, twenty-one thousand, one hundred three".