125221543233301 has 4 divisors (see below), whose sum is σ = 130665958156512. Its totient is φ = 119777128310092.

The previous prime is 125221543233289. The next prime is 125221543233323. The reversal of 125221543233301 is 103332345122521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125221543233301 - 2²⁵ = 125221509678869 is a prime.

It is a super-2 number, since 2×125221543233301² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125221543233331) 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, 2722207461571 + ... + 2722207461616.

It is an arithmetic number, because the mean of its divisors is an integer number (32666489539128).

Almost surely, 2^{125221543233301} is an apocalyptic number.

It is an amenable number.

125221543233301 is a deficient number, since it is larger than the sum of its proper divisors (5444414923211).

125221543233301 is an equidigital number, since it uses as much as digits as its factorization.

125221543233301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444414923210.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 125221543233301 its reverse (103332345122521), we get a palindrome (228553888355822).

The spelling of 125221543233301 in words is "one hundred twenty-five trillion, two hundred twenty-one billion, five hundred forty-three million, two hundred thirty-three thousand, three hundred one".