2011110222021 has 32 divisors (see below), whose sum is σ = 2772934434816. Its totient is φ = 1295169480000.

The previous prime is 2011110222007. The next prime is 2011110222041. The reversal of 2011110222021 is 1202220111102.

It is not a de Polignac number, because 2011110222021 - 2¹⁰ = 2011110220997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011110222001) 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, 223179406 + ... + 223188416.

It is an arithmetic number, because the mean of its divisors is an integer number (86654201088).

Almost surely, 2^{2011110222021} is an apocalyptic number.

It is an amenable number.

2011110222021 is a deficient number, since it is larger than the sum of its proper divisors (761824212795).

2011110222021 is a wasteful number, since it uses less digits than its factorization.

2011110222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13073.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011110222021 its reverse (1202220111102), we get a palindrome (3213330333123).

The spelling of 2011110222021 in words is "two trillion, eleven billion, one hundred ten million, two hundred twenty-two thousand, twenty-one".