151001021201 has 2 divisors, whose sum is σ = 151001021202. Its totient is φ = 151001021200.

The previous prime is 151001021191. The next prime is 151001021209. The reversal of 151001021201 is 102120100151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150795528976 + 205492225 = 388324^2 + 14335^2 .

It is an emirp because it is prime and its reverse (102120100151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151001021201 - 2¹⁸ = 151000759057 is a prime.

It is not a weakly prime, because it can be changed into another prime (151001021209) 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 as a sum of consecutive naturals, namely, 75500510600 + 75500510601.

It is an arithmetic number, because the mean of its divisors is an integer number (75500510601).

Almost surely, 2^151001021201 is an apocalyptic number.

It is an amenable number.

151001021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

151001021201 is an equidigital number, since it uses as much as digits as its factorization.

151001021201 is an odious number, because the sum of its binary digits is odd.

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

Adding to 151001021201 its reverse (102120100151), we get a palindrome (253121121352).

It can be divided in two parts, 15100 and 1021201, that added together give a palindrome (1036301).

The spelling of 151001021201 in words is "one hundred fifty-one billion, one million, twenty-one thousand, two hundred one".