2120212122203 has 6 divisors (see below), whose sum is σ = 2466369203436. Its totient is φ = 1817324676132.

The previous prime is 2120212122187. The next prime is 2120212122209. The reversal of 2120212122203 is 3022212120212.

It is not a de Polignac number, because 2120212122203 - 2⁴ = 2120212122187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120212122209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21634817525 + ... + 21634817622.

It is an arithmetic number, because the mean of its divisors is an integer number (411061533906).

Almost surely, 2^{2120212122203} is an apocalyptic number.

2120212122203 is a deficient number, since it is larger than the sum of its proper divisors (346157081233).

2120212122203 is an equidigital number, since it uses as much as digits as its factorization.

2120212122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43269635161 (or 43269635154 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2120212122203 its reverse (3022212120212), we get a palindrome (5142424242415).

The spelling of 2120212122203 in words is "two trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, two hundred three".