20102211122203 has 8 divisors (see below), whose sum is σ = 22977080910080. Its totient is φ = 17228122669800.

The previous prime is 20102211122171. The next prime is 20102211122233. The reversal of 20102211122203 is 30222111220102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20102211122203 - 2⁵ = 20102211122171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102211122233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195278733 + ... + 195381646.

It is an arithmetic number, because the mean of its divisors is an integer number (2872135113760).

Almost surely, 2^{20102211122203} is an apocalyptic number.

20102211122203 is a deficient number, since it is larger than the sum of its proper divisors (2874869787877).

20102211122203 is an equidigital number, since it uses as much as digits as its factorization.

20102211122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390667737.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20102211122203 its reverse (30222111220102), we get a palindrome (50324322342305).

It can be divided in two parts, 201022 and 11122203, that added together give a square (11323225 = 3365²).

The spelling of 20102211122203 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred three".