2123511150 has 24 divisors (see below), whose sum is σ = 5266308024. Its totient is φ = 566269600.

The previous prime is 2123511127. The next prime is 2123511209. The reversal of 2123511150 is 511153212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7078221 + ... + 7078520.

It is an arithmetic number, because the mean of its divisors is an integer number (219429501).

Almost surely, 2^2123511150 is an apocalyptic number.

2123511150 is an abundant number, since it is smaller than the sum of its proper divisors (3142796874).

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

2123511150 is a wasteful number, since it uses less digits than its factorization.

2123511150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14156756 (or 14156751 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 2123511150 is about 46081.5706112541. The cubic root of 2123511150 is about 1285.3404700731.

Adding to 2123511150 its reverse (511153212), we get a palindrome (2634664362).

It can be divided in two parts, 21235 and 11150, that added together give a triangular number (32385 = T₂₅₄).

The spelling of 2123511150 in words is "two billion, one hundred twenty-three million, five hundred eleven thousand, one hundred fifty".