1322020001001 has 16 divisors (see below), whose sum is σ = 2028999526400. Its totient is φ = 750005178768.

The previous prime is 1322020000993. The next prime is 1322020001011. The reversal of 1322020001001 is 1001000202231.

It is not a de Polignac number, because 1322020001001 - 2³ = 1322020000993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1322020001011) 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, 226447921 + ... + 226453758.

It is an arithmetic number, because the mean of its divisors is an integer number (126812470400).

Almost surely, 2^{1322020001001} is an apocalyptic number.

It is an amenable number.

1322020001001 is a deficient number, since it is larger than the sum of its proper divisors (706979525399).

1322020001001 is a wasteful number, since it uses less digits than its factorization.

1322020001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452901828.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1322020001001 its reverse (1001000202231), we get a palindrome (2323020203232).

The spelling of 1322020001001 in words is "one trillion, three hundred twenty-two billion, twenty million, one thousand, one".