2011222121110 has 8 divisors (see below), whose sum is σ = 3620199818016. Its totient is φ = 804488848440.

The previous prime is 2011222121107. The next prime is 2011222121119. The reversal of 2011222121110 is 111212221102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011222121119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100561106046 + ... + 100561106065.

It is an arithmetic number, because the mean of its divisors is an integer number (452524977252).

Almost surely, 2^{2011222121110} is an apocalyptic number.

2011222121110 is a deficient number, since it is larger than the sum of its proper divisors (1608977696906).

2011222121110 is a wasteful number, since it uses less digits than its factorization.

2011222121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201122212118.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011222121110 its reverse (111212221102), we get a palindrome (2122434342212).

It can be divided in two parts, 201122 and 2121110, that added together give a palindrome (2322232).

The spelling of 2011222121110 in words is "two trillion, eleven billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred ten".