2221031122111 has 8 divisors (see below), whose sum is σ = 2286266626224. Its totient is φ = 2156659664640.

The previous prime is 2221031122097. The next prime is 2221031122153. The reversal of 2221031122111 is 1112211301222.

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 2221031122111 - 2³¹ = 2218883638463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221031123111) 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, 216006445 + ... + 216016726.

It is an arithmetic number, because the mean of its divisors is an integer number (285783328278).

Almost surely, 2^{2221031122111} is an apocalyptic number.

2221031122111 is a deficient number, since it is larger than the sum of its proper divisors (65235504113).

2221031122111 is an equidigital number, since it uses as much as digits as its factorization.

2221031122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432023321.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2221031122111 its reverse (1112211301222), we get a palindrome (3333242423333).

The spelling of 2221031122111 in words is "two trillion, two hundred twenty-one billion, thirty-one million, one hundred twenty-two thousand, one hundred eleven".