20122223011 has 16 divisors (see below), whose sum is σ = 23903654400. Its totient is φ = 16732548000.

The previous prime is 20122222999. The next prime is 20122223021. The reversal of 20122223011 is 11032222102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20122223011 - 2²¹ = 20120125859 is a prime.

It is a super-2 number, since 2×20122223011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122223021) 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, 1653915 + ... + 1666036.

It is an arithmetic number, because the mean of its divisors is an integer number (1493978400).

Almost surely, 2^20122223011 is an apocalyptic number.

20122223011 is a deficient number, since it is larger than the sum of its proper divisors (3781431389).

20122223011 is a wasteful number, since it uses less digits than its factorization.

20122223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320010.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20122223011 its reverse (11032222102), we get a palindrome (31154445113).

Subtracting from 20122223011 its reverse (11032222102), we obtain a palindrome (9090000909).

The spelling of 20122223011 in words is "twenty billion, one hundred twenty-two million, two hundred twenty-three thousand, eleven".