2011250121 has 8 divisors (see below), whose sum is σ = 2747073504. Its totient is φ = 1308130080.

The previous prime is 2011250119. The next prime is 2011250141. The reversal of 2011250121 is 1210521102.

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

It is not a de Polignac number, because 2011250121 - 2¹ = 2011250119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011250121.

It is not an unprimeable number, because it can be changed into a prime (2011250141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8175691 + ... + 8175936.

It is an arithmetic number, because the mean of its divisors is an integer number (343384188).

Almost surely, 2^2011250121 is an apocalyptic number.

It is an amenable number.

2011250121 is a deficient number, since it is larger than the sum of its proper divisors (735823383).

2011250121 is a wasteful number, since it uses less digits than its factorization.

2011250121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16351671.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 2011250121 is about 44846.9633420146. The cubic root of 2011250121 is about 1262.2790115573.

Adding to 2011250121 its reverse (1210521102), we get a palindrome (3221771223).

The spelling of 2011250121 in words is "two billion, eleven million, two hundred fifty thousand, one hundred twenty-one".