2150121532242 has 16 divisors (see below), whose sum is σ = 4300424328672. Its totient is φ = 716676966720.

The previous prime is 2150121532219. The next prime is 2150121532261. The reversal of 2150121532242 is 2422351210512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7398228 + ... + 7683359.

It is an arithmetic number, because the mean of its divisors is an integer number (268776520542).

Almost surely, 2^{2150121532242} is an apocalyptic number.

2150121532242 is an abundant number, since it is smaller than the sum of its proper divisors (2150302796430).

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

2150121532242 is a wasteful number, since it uses less digits than its factorization.

2150121532242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15105353.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 2150121532242 its reverse (2422351210512), we get a palindrome (4572472742754).

The spelling of 2150121532242 in words is "two trillion, one hundred fifty billion, one hundred twenty-one million, five hundred thirty-two thousand, two hundred forty-two".