2011110220021 has 8 divisors (see below), whose sum is σ = 2354470501824. Its totient is φ = 1681764643680.

The previous prime is 2011110219977. The next prime is 2011110220051. The reversal of 2011110220021 is 1200220111102.

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

It is a cyclic number.

It is not a de Polignac number, because 2011110220021 - 2³³ = 2002520285429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011110219983 and 2011110220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011110220051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3503676055 + ... + 3503676628.

It is an arithmetic number, because the mean of its divisors is an integer number (294308812728).

Almost surely, 2^{2011110220021} is an apocalyptic number.

It is an amenable number.

2011110220021 is a deficient number, since it is larger than the sum of its proper divisors (343360281803).

2011110220021 is an equidigital number, since it uses as much as digits as its factorization.

2011110220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007352731.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2011110220021 its reverse (1200220111102), we get a palindrome (3211330331123).

The spelling of 2011110220021 in words is "two trillion, eleven billion, one hundred ten million, two hundred twenty thousand, twenty-one".