2011100221023 has 16 divisors (see below), whose sum is σ = 2754116332800. Its totient is φ = 1304581360320.

The previous prime is 2011100221001. The next prime is 2011100221061. The reversal of 2011100221023 is 3201220011102.

It is not a de Polignac number, because 2011100221023 - 2⁵ = 2011100220991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011100220993 and 2011100221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011100221523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21523843 + ... + 21617076.

It is an arithmetic number, because the mean of its divisors is an integer number (172132270800).

Almost surely, 2^{2011100221023} is an apocalyptic number.

2011100221023 is a deficient number, since it is larger than the sum of its proper divisors (743016111777).

2011100221023 is a wasteful number, since it uses less digits than its factorization.

2011100221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43141342.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2011100221023 its reverse (3201220011102), we get a palindrome (5212320232125).

The spelling of 2011100221023 in words is "two trillion, eleven billion, one hundred million, two hundred twenty-one thousand, twenty-three".