2121150245024 has 48 divisors (see below), whose sum is σ = 4206675400200. Its totient is φ = 1052816722944.

The previous prime is 2121150245021. The next prime is 2121150245029. The reversal of 2121150245024 is 4205420511212.

It can be written as a sum of positive squares in 4 ways, for example, as 800903284624 + 1320246960400 = 894932^2 + 1149020^2 .

It is not an unprimeable number, because it can be changed into a prime (2121150245021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939622 + ... + 2829210.

Almost surely, 2^{2121150245024} is an apocalyptic number.

It is an amenable number.

2121150245024 is a deficient number, since it is larger than the sum of its proper divisors (2085525155176).

2121150245024 is a wasteful number, since it uses less digits than its factorization.

2121150245024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890145 (or 890137 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 2121150245024 its reverse (4205420511212), we get a palindrome (6326570756236).

The spelling of 2121150245024 in words is "two trillion, one hundred twenty-one billion, one hundred fifty million, two hundred forty-five thousand, twenty-four".