20223311211001 has 4 divisors (see below), whose sum is σ = 21287696011600. Its totient is φ = 19158926410404.

The previous prime is 20223311210951. The next prime is 20223311211011. The reversal of 20223311211001 is 10011211332202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20223311211001 - 2¹⁵ = 20223311178233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1064384800579 = 20223311211001 / (2 + 0 + 2 + 2 + 3 + 3 + 1 + 1 + 2 + 1 + 1 + 0 + 0 + 1).

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 20223311211001.

It is not an unprimeable number, because it can be changed into a prime (20223311211011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532192400271 + ... + 532192400308.

It is an arithmetic number, because the mean of its divisors is an integer number (5321924002900).

Almost surely, 2^{20223311211001} is an apocalyptic number.

It is an amenable number.

20223311211001 is a deficient number, since it is larger than the sum of its proper divisors (1064384800599).

20223311211001 is a wasteful number, since it uses less digits than its factorization.

20223311211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064384800598.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20223311211001 its reverse (10011211332202), we get a palindrome (30234522543203).

The spelling of 20223311211001 in words is "twenty trillion, two hundred twenty-three billion, three hundred eleven million, two hundred eleven thousand, one".