2290111121 has 24 divisors (see below), whose sum is σ = 2437824480. Its totient is φ = 2150539776.

The previous prime is 2290111091. The next prime is 2290111139. The reversal of 2290111121 is 1211110922.

It is a de Polignac number, because none of the positive numbers 2^k-2290111121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2290111093 and 2290111102.

It is not an unprimeable number, because it can be changed into a prime (2290111721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5465450 + ... + 5465868.

It is an arithmetic number, because the mean of its divisors is an integer number (101576020).

Almost surely, 2^2290111121 is an apocalyptic number.

It is an amenable number.

2290111121 is a deficient number, since it is larger than the sum of its proper divisors (147713359).

2290111121 is an equidigital number, since it uses as much as digits as its factorization.

2290111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 2290111121 is about 47855.1054852040. The cubic root of 2290111121 is about 1318.1116097152. Note that the first 3 decimals are identical.

The spelling of 2290111121 in words is "two billion, two hundred ninety million, one hundred eleven thousand, one hundred twenty-one".