125233440201021 has 8 divisors (see below), whose sum is σ = 168292707042304. Its totient is φ = 82831566746880.

The previous prime is 125233440200951. The next prime is 125233440201041. The reversal of 125233440201021 is 120102044332521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125233440201021 - 2⁹ = 125233440200509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125233440201021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125233440201041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164348346340 + ... + 164348347101.

It is an arithmetic number, because the mean of its divisors is an integer number (21036588380288).

Almost surely, 2^{125233440201021} is an apocalyptic number.

It is an amenable number.

125233440201021 is a deficient number, since it is larger than the sum of its proper divisors (43059266841283).

125233440201021 is a wasteful number, since it uses less digits than its factorization.

125233440201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328696693571.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 125233440201021 its reverse (120102044332521), we get a palindrome (245335484533542).

The spelling of 125233440201021 in words is "one hundred twenty-five trillion, two hundred thirty-three billion, four hundred forty million, two hundred one thousand, twenty-one".