220022110021 has 16 divisors (see below), whose sum is σ = 253005379200. Its totient is φ = 187427950848.

The previous prime is 220022110013. The next prime is 220022110039. The reversal of 220022110021 is 120011220022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220022110021 - 2³ = 220022110013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220022109983 and 220022110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022110621) 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, 2146425 + ... + 2246593.

It is an arithmetic number, because the mean of its divisors is an integer number (15812836200).

Almost surely, 2^220022110021 is an apocalyptic number.

It is an amenable number.

220022110021 is a deficient number, since it is larger than the sum of its proper divisors (32983269179).

220022110021 is a wasteful number, since it uses less digits than its factorization.

220022110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102108.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220022110021 its reverse (120011220022), we get a palindrome (340033330043).

The spelling of 220022110021 in words is "two hundred twenty billion, twenty-two million, one hundred ten thousand, twenty-one".