20030021222311 has 4 divisors (see below), whose sum is σ = 20032350574000. Its totient is φ = 20027691870624.

The previous prime is 20030021222293. The next prime is 20030021222363. The reversal of 20030021222311 is 11322212003002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20030021222311 - 2⁹ = 20030021221799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030021222371) 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, 1164662946 + ... + 1164680143.

It is an arithmetic number, because the mean of its divisors is an integer number (5008087643500).

Almost surely, 2^{20030021222311} is an apocalyptic number.

20030021222311 is a deficient number, since it is larger than the sum of its proper divisors (2329351689).

20030021222311 is an equidigital number, since it uses as much as digits as its factorization.

20030021222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329351688.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20030021222311 its reverse (11322212003002), we get a palindrome (31352233225313).

The spelling of 20030021222311 in words is "twenty trillion, thirty billion, twenty-one million, two hundred twenty-two thousand, three hundred eleven".