151121014242 has 192 divisors, whose sum is σ = 360069857280. Its totient is φ = 42093596160.

The previous prime is 151121014241. The next prime is 151121014273. The reversal of 151121014242 is 242410121151.

It is not an unprimeable number, because it can be changed into a prime (151121014241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 105017359 + ... + 105018797.

It is an arithmetic number, because the mean of its divisors is an integer number (1875363840).

Almost surely, 2^151121014242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151121014242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180034928640).

151121014242 is an abundant number, since it is smaller than the sum of its proper divisors (208948843038).

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

151121014242 is a wasteful number, since it uses less digits than its factorization.

151121014242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 151121014242 its reverse (242410121151), we get a palindrome (393531135393).

The spelling of 151121014242 in words is "one hundred fifty-one billion, one hundred twenty-one million, fourteen thousand, two hundred forty-two".