2103212322121 has 8 divisors (see below), whose sum is σ = 2151134317440. Its totient is φ = 2055422526768.

The previous prime is 2103212322089. The next prime is 2103212322131. The reversal of 2103212322121 is 1212232123012.

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 2103212322121 - 2⁵ = 2103212322089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103212322092 and 2103212322101.

It is not an unprimeable number, because it can be changed into a prime (2103212322131) 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, 33017811 + ... + 33081448.

It is an arithmetic number, because the mean of its divisors is an integer number (268891789680).

Almost surely, 2^{2103212322121} is an apocalyptic number.

It is an amenable number.

2103212322121 is a deficient number, since it is larger than the sum of its proper divisors (47921995319).

2103212322121 is an equidigital number, since it uses as much as digits as its factorization.

2103212322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66099983.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2103212322121 its reverse (1212232123012), we get a palindrome (3315444445133).

The spelling of 2103212322121 in words is "two trillion, one hundred three billion, two hundred twelve million, three hundred twenty-two thousand, one hundred twenty-one".