20222122011 has 64 divisors (see below), whose sum is σ = 33499554816. Its totient is φ = 10566028800.

The previous prime is 20222122003. The next prime is 20222122021. The reversal of 20222122011 is 11022122202.

It is not a de Polignac number, because 20222122011 - 2³ = 20222122003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222122021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15663276 + ... + 15664566.

It is an arithmetic number, because the mean of its divisors is an integer number (523430544).

Almost surely, 2^20222122011 is an apocalyptic number.

20222122011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20222122011 is a deficient number, since it is larger than the sum of its proper divisors (13277432805).

20222122011 is a wasteful number, since it uses less digits than its factorization.

20222122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20222122011 its reverse (11022122202), we get a palindrome (31244244213).

The spelling of 20222122011 in words is "twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, eleven".