221000322023001 has 10 divisors (see below), whose sum is σ = 330136283515962. Its totient is φ = 147333548015280.

The previous prime is 221000322022999. The next prime is 221000322023011. The reversal of 221000322023001 is 100320223000122.

221000322023001 is a `hidden beast` number, since 2 + 210 + 0 + 0 + 3 + 220 + 230 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 180937498592601 + 40062823430400 = 13451301^2 + 6329520^2 .

It is not a de Polignac number, because 221000322023001 - 2¹ = 221000322022999 is a prime.

It is a super-2 number, since 2×221000322023001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221000322023011) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1364199518580 + ... + 1364199518741.

Almost surely, 2^{221000322023001} is an apocalyptic number.

It is an amenable number.

221000322023001 is a deficient number, since it is larger than the sum of its proper divisors (109135961492961).

221000322023001 is an equidigital number, since it uses as much as digits as its factorization.

221000322023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728399037333 (or 2728399037324 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 221000322023001 its reverse (100320223000122), we get a palindrome (321320545023123).

The spelling of 221000322023001 in words is "two hundred twenty-one trillion, three hundred twenty-two million, twenty-three thousand, one".