2121313222203 has 32 divisors (see below), whose sum is σ = 3455288589312. Its totient is φ = 1131195648000.

The previous prime is 2121313222183. The next prime is 2121313222241. The reversal of 2121313222203 is 3022223131212.

It is not a de Polignac number, because 2121313222203 - 2¹⁰ = 2121313221179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121313322203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53540598 + ... + 53580203.

It is an arithmetic number, because the mean of its divisors is an integer number (107977768416).

Almost surely, 2^{2121313222203} is an apocalyptic number.

2121313222203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2121313222203 is a deficient number, since it is larger than the sum of its proper divisors (1333975367109).

2121313222203 is a wasteful number, since it uses less digits than its factorization.

2121313222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107120875.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2121313222203 its reverse (3022223131212), we get a palindrome (5143536353415).

Subtracting 2121313222203 from its reverse (3022223131212), we obtain a palindrome (900909909009).

The spelling of 2121313222203 in words is "two trillion, one hundred twenty-one billion, three hundred thirteen million, two hundred twenty-two thousand, two hundred three".