151120251021 has 16 divisors (see below), whose sum is σ = 207153350208. Its totient is φ = 97934736000.

The previous prime is 151120251019. The next prime is 151120251047. The reversal of 151120251021 is 120152021151.

It is not a de Polignac number, because 151120251021 - 2¹ = 151120251019 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151120251011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2183655 + ... + 2251796.

It is an arithmetic number, because the mean of its divisors is an integer number (12947084388).

Almost surely, 2^151120251021 is an apocalyptic number.

It is an amenable number.

151120251021 is a deficient number, since it is larger than the sum of its proper divisors (56033099187).

151120251021 is a wasteful number, since it uses less digits than its factorization.

151120251021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435772.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 151120251021 its reverse (120152021151), we get a palindrome (271272272172).

The spelling of 151120251021 in words is "one hundred fifty-one billion, one hundred twenty million, two hundred fifty-one thousand, twenty-one".