42133320211501 has 2 divisors, whose sum is σ = 42133320211502. Its totient is φ = 42133320211500.

The previous prime is 42133320211471. The next prime is 42133320211517. The reversal of 42133320211501 is 10511202333124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42046159458601 + 87160752900 = 6484301^2 + 295230^2 .

It is a cyclic number.

It is not a de Polignac number, because 42133320211501 - 2³⁷ = 41995881258029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42133320211501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42133320281501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21066660105750 + 21066660105751.

It is an arithmetic number, because the mean of its divisors is an integer number (21066660105751).

Almost surely, 2^{42133320211501} is an apocalyptic number.

It is an amenable number.

42133320211501 is a deficient number, since it is larger than the sum of its proper divisors (1).

42133320211501 is an equidigital number, since it uses as much as digits as its factorization.

42133320211501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 42133320211501 its reverse (10511202333124), we get a palindrome (52644522544625).

The spelling of 42133320211501 in words is "forty-two trillion, one hundred thirty-three billion, three hundred twenty million, two hundred eleven thousand, five hundred one".