2011021220223 has 12 divisors (see below), whose sum is σ = 3057693083640. Its totient is φ = 1270118665296.

The previous prime is 2011021220167. The next prime is 2011021220279. The reversal of 2011021220223 is 3220221201102.

2011021220223 is a `hidden beast` number, since 201 + 1 + 0 + 21 + 220 + 223 = 666.

It is an interprime number because it is at equal distance from previous prime (2011021220167) and next prime (2011021220279).

It is not a de Polignac number, because 2011021220223 - 2¹⁰ = 2011021219199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011021220196 and 2011021220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011021220293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5880178836 + ... + 5880179177.

It is an arithmetic number, because the mean of its divisors is an integer number (254807756970).

Almost surely, 2^{2011021220223} is an apocalyptic number.

2011021220223 is a deficient number, since it is larger than the sum of its proper divisors (1046671863417).

2011021220223 is a wasteful number, since it uses less digits than its factorization.

2011021220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11760358038 (or 11760358035 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2011021220223 its reverse (3220221201102), we get a palindrome (5231242421325).

The spelling of 2011021220223 in words is "two trillion, eleven billion, twenty-one million, two hundred twenty thousand, two hundred twenty-three".