1053203222001 has 16 divisors (see below), whose sum is σ = 1607251699584. Its totient is φ = 600941437824.

The previous prime is 1053203221999. The next prime is 1053203222011. The reversal of 1053203222001 is 1002223023501.

It is not a de Polignac number, because 1053203222001 - 2¹ = 1053203221999 is a prime.

It is a super-2 number, since 2×1053203222001² (a number of 25 digits) contains 22 as substring.

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 (1053203222011) 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, 37026060 + ... + 37054493.

It is an arithmetic number, because the mean of its divisors is an integer number (100453231224).

Almost surely, 2^{1053203222001} is an apocalyptic number.

It is an amenable number.

1053203222001 is a deficient number, since it is larger than the sum of its proper divisors (554048477583).

1053203222001 is an equidigital number, since it uses as much as digits as its factorization.

1053203222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74081240.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 1053203222001 its reverse (1002223023501), we get a palindrome (2055426245502).

The spelling of 1053203222001 in words is "one trillion, fifty-three billion, two hundred three million, two hundred twenty-two thousand, one".