2123220203211 has 8 divisors (see below), whose sum is σ = 2830989591360. Its totient is φ = 1415465475272.

The previous prime is 2123220203201. The next prime is 2123220203257. The reversal of 2123220203211 is 1123020223212.

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 2123220203211 - 2²¹ = 2123218106059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123220203201) 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, 3322545 + ... + 3909698.

It is an arithmetic number, because the mean of its divisors is an integer number (353873698920).

Almost surely, 2^{2123220203211} is an apocalyptic number.

2123220203211 is a deficient number, since it is larger than the sum of its proper divisors (707769388149).

2123220203211 is an equidigital number, since it uses as much as digits as its factorization.

2123220203211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7330105.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2123220203211 its reverse (1123020223212), we get a palindrome (3246240426423).

The spelling of 2123220203211 in words is "two trillion, one hundred twenty-three billion, two hundred twenty million, two hundred three thousand, two hundred eleven".