2011121232 has 40 divisors (see below), whose sum is σ = 5374551840. Its totient is φ = 647256960.

The previous prime is 2011121201. The next prime is 2011121269. The reversal of 2011121232 is 2321211102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720994 + ... + 723777.

It is an arithmetic number, because the mean of its divisors is an integer number (134363796).

Almost surely, 2^2011121232 is an apocalyptic number.

It is an amenable number.

2011121232 is an abundant number, since it is smaller than the sum of its proper divisors (3363430608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011121232 is a wasteful number, since it uses less digits than its factorization.

2011121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444811 (or 1444805 counting only the distinct ones).

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

The square root of 2011121232 is about 44845.5263320657. The cubic root of 2011121232 is about 1262.2520470087.

Adding to 2011121232 its reverse (2321211102), we get a palindrome (4332332334).

The spelling of 2011121232 in words is "two billion, eleven million, one hundred twenty-one thousand, two hundred thirty-two".