2011122130 has 8 divisors (see below), whose sum is σ = 3620019852. Its totient is φ = 804448848.

The previous prime is 2011122109. The next prime is 2011122137. The reversal of 2011122130 is 312211102.

It can be written as a sum of positive squares in 2 ways, for example, as 1759550809 + 251571321 = 41947^2 + 15861^2 .

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

It is a super-2 number, since 2×2011122130² = 8089224443551473800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011122130.

It is not an unprimeable number, because it can be changed into a prime (2011122137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100556097 + ... + 100556116.

Almost surely, 2^2011122130 is an apocalyptic number.

2011122130 is a deficient number, since it is larger than the sum of its proper divisors (1608897722).

2011122130 is a wasteful number, since it uses less digits than its factorization.

2011122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201112220.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2011122130 is about 44845.5363442116. The cubic root of 2011122130 is about 1262.2522348810.

Adding to 2011122130 its reverse (312211102), we get a palindrome (2323333232).

The spelling of 2011122130 in words is "two billion, eleven million, one hundred twenty-two thousand, one hundred thirty".