2121030150 has 48 divisors (see below), whose sum is σ = 5278979088. Its totient is φ = 563584000.

The previous prime is 2121030133. The next prime is 2121030167. The reversal of 2121030150 is 510301212.

It is an interprime number because it is at equal distance from previous prime (2121030133) and next prime (2121030167).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16990 + ... + 67310.

It is an arithmetic number, because the mean of its divisors is an integer number (109978731).

Almost surely, 2^2121030150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2121030150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2639489544).

2121030150 is an abundant number, since it is smaller than the sum of its proper divisors (3157948938).

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

2121030150 is a wasteful number, since it uses less digits than its factorization.

2121030150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50617 (or 50612 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 2121030150 is about 46054.6430884010. The cubic root of 2121030150 is about 1284.8397000097.

Adding to 2121030150 its reverse (510301212), we get a palindrome (2631331362).

It can be divided in two parts, 21210 and 30150, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 2121030150 in words is "two billion, one hundred twenty-one million, thirty thousand, one hundred fifty".