2130121332103 has 16 divisors (see below), whose sum is σ = 2234356992000. Its totient is φ = 2026858299840.

The previous prime is 2130121331959. The next prime is 2130121332151. The reversal of 2130121332103 is 3012331210312.

It is a cyclic number.

It is not a de Polignac number, because 2130121332103 - 2²¹ = 2130119234951 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 (2130121332203) 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, 23897803 + ... + 23986771.

It is an arithmetic number, because the mean of its divisors is an integer number (139647312000).

Almost surely, 2^{2130121332103} is an apocalyptic number.

2130121332103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2130121332103 is a deficient number, since it is larger than the sum of its proper divisors (104235659897).

2130121332103 is a wasteful number, since it uses less digits than its factorization.

2130121332103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94422.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2130121332103 its reverse (3012331210312), we get a palindrome (5142452542415).

The spelling of 2130121332103 in words is "two trillion, one hundred thirty billion, one hundred twenty-one million, three hundred thirty-two thousand, one hundred three".