1501020225201 has 16 divisors (see below), whose sum is σ = 2299905765248. Its totient is φ = 852987024000.

The previous prime is 1501020225193. The next prime is 1501020225203. The reversal of 1501020225201 is 1025220201051.

It is not a de Polignac number, because 1501020225201 - 2³ = 1501020225193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1501020225203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197446900 + ... + 197454501.

It is an arithmetic number, because the mean of its divisors is an integer number (143744110328).

Almost surely, 2^{1501020225201} is an apocalyptic number.

It is an amenable number.

1501020225201 is a deficient number, since it is larger than the sum of its proper divisors (798885540047).

1501020225201 is a wasteful number, since it uses less digits than its factorization.

1501020225201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394901592.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 1501020225201 its reverse (1025220201051), we get a palindrome (2526240426252).

The spelling of 1501020225201 in words is "one trillion, five hundred one billion, twenty million, two hundred twenty-five thousand, two hundred one".