2150621011 has 32 divisors (see below), whose sum is σ = 2764823040. Its totient is φ = 1624147200.

The previous prime is 2150620999. The next prime is 2150621069. The reversal of 2150621011 is 1101260512.

It is a cyclic number.

It is not a de Polignac number, because 2150621011 - 2²¹ = 2148523859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2150621011.

It is not an unprimeable number, because it can be changed into a prime (2150621071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493480 + ... + 497818.

It is an arithmetic number, because the mean of its divisors is an integer number (86400720).

Almost surely, 2^2150621011 is an apocalyptic number.

2150621011 is a deficient number, since it is larger than the sum of its proper divisors (614202029).

2150621011 is a wasteful number, since it uses less digits than its factorization.

2150621011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 2150621011 is about 46374.7885278197. The cubic root of 2150621011 is about 1290.7871347342.

Adding to 2150621011 its reverse (1101260512), we get a palindrome (3251881523).

The spelling of 2150621011 in words is "two billion, one hundred fifty million, six hundred twenty-one thousand, eleven".