2231122011 has 8 divisors (see below), whose sum is σ = 2976048960. Its totient is φ = 1486804872.

The previous prime is 2231121983. The next prime is 2231122073. The reversal of 2231122011 is 1102211322.

2231122011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2231122011 - 2⁵ = 2231121979 is a prime.

It is a super-3 number, since 3×2231122011³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231122711) 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, 143845 + ... + 158598.

It is an arithmetic number, because the mean of its divisors is an integer number (372006120).

Almost surely, 2^2231122011 is an apocalyptic number.

2231122011 is a deficient number, since it is larger than the sum of its proper divisors (744926949).

2231122011 is a wasteful number, since it uses less digits than its factorization.

2231122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304905.

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

The square root of 2231122011 is about 47234.7542705580. The cubic root of 2231122011 is about 1306.6956346906.

Adding to 2231122011 its reverse (1102211322), we get a palindrome (3333333333).

The spelling of 2231122011 in words is "two billion, two hundred thirty-one million, one hundred twenty-two thousand, eleven".