2011220202023 has 4 divisors (see below), whose sum is σ = 2076098273088. Its totient is φ = 1946342130960.

The previous prime is 2011220202001. The next prime is 2011220202031. The reversal of 2011220202023 is 3202020221102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011220202023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011220201992 and 2011220202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011220205023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32439035486 + ... + 32439035547.

It is an arithmetic number, because the mean of its divisors is an integer number (519024568272).

Almost surely, 2^{2011220202023} is an apocalyptic number.

2011220202023 is a deficient number, since it is larger than the sum of its proper divisors (64878071065).

2011220202023 is an equidigital number, since it uses as much as digits as its factorization.

2011220202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64878071064.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2011220202023 its reverse (3202020221102), we get a palindrome (5213240423125).

The spelling of 2011220202023 in words is "two trillion, eleven billion, two hundred twenty million, two hundred two thousand, twenty-three".