151112201 has 4 divisors (see below), whose sum is σ = 160001172. Its totient is φ = 142223232.

The previous prime is 151112179. The next prime is 151112209. The reversal of 151112201 is 102211151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102211151 = 7 ⋅14601593.

It can be written as a sum of positive squares in 2 ways, for example, as 135745801 + 15366400 = 11651^2 + 3920^2 .

It is a cyclic number.

It is not a de Polignac number, because 151112201 - 2¹⁴ = 151095817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151112209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4444460 + ... + 4444493.

It is an arithmetic number, because the mean of its divisors is an integer number (40000293).

Almost surely, 2^151112201 is an apocalyptic number.

It is an amenable number.

151112201 is a deficient number, since it is larger than the sum of its proper divisors (8888971).

151112201 is an equidigital number, since it uses as much as digits as its factorization.

151112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888970.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 151112201 is about 12292.7702736202. The cubic root of 151112201 is about 532.6392632443.

Adding to 151112201 its reverse (102211151), we get a palindrome (253323352).

The spelling of 151112201 in words is "one hundred fifty-one million, one hundred twelve thousand, two hundred one".