2121440334150 has 24 divisors (see below), whose sum is σ = 5261172029064. Its totient is φ = 565717422400.

The previous prime is 2121440334133. The next prime is 2121440334179. The reversal of 2121440334150 is 514330441212.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 7071467631 + ... + 7071467930.

It is an arithmetic number, because the mean of its divisors is an integer number (219215501211).

Almost surely, 2^{2121440334150} is an apocalyptic number.

2121440334150 is an abundant number, since it is smaller than the sum of its proper divisors (3139731694914).

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

2121440334150 is a wasteful number, since it uses less digits than its factorization.

2121440334150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14142935576 (or 14142935571 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 2121440334150 its reverse (514330441212), we get a palindrome (2635770775362).

The spelling of 2121440334150 in words is "two trillion, one hundred twenty-one billion, four hundred forty million, three hundred thirty-four thousand, one hundred fifty".