2011220203023 has 32 divisors (see below), whose sum is σ = 3091820244480. Its totient is φ = 1291186189440.

The previous prime is 2011220203021. The next prime is 2011220203033. The reversal of 2011220203023 is 3203020221102.

It is not a de Polignac number, because 2011220203023 - 2¹ = 2011220203021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011220202987 and 2011220203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011220203021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12116986 + ... + 12281847.

It is an arithmetic number, because the mean of its divisors is an integer number (96619382640).

Almost surely, 2^{2011220203023} is an apocalyptic number.

2011220203023 is a deficient number, since it is larger than the sum of its proper divisors (1080600041457).

2011220203023 is a wasteful number, since it uses less digits than its factorization.

2011220203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24398956 (or 24398950 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2011220203023 its reverse (3203020221102), we get a palindrome (5214240424125).

The spelling of 2011220203023 in words is "two trillion, eleven billion, two hundred twenty million, two hundred three thousand, twenty-three".