20222000110021 has 16 divisors (see below), whose sum is σ = 20401036185600. Its totient is φ = 20043280147968.

The previous prime is 20222000110007. The next prime is 20222000110033. The reversal of 20222000110021 is 12001100022202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20222000110021 - 2¹³ = 20222000101829 is a prime.

It is a super-2 number, since 2×20222000110021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222000109983 and 20222000110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222000140021) 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, 1106893275 + ... + 1106911543.

It is an arithmetic number, because the mean of its divisors is an integer number (1275064761600).

Almost surely, 2^{20222000110021} is an apocalyptic number.

It is an amenable number.

20222000110021 is a deficient number, since it is larger than the sum of its proper divisors (179036075579).

20222000110021 is a wasteful number, since it uses less digits than its factorization.

20222000110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26388.

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

Adding to 20222000110021 its reverse (12001100022202), we get a palindrome (32223100132223).

The spelling of 20222000110021 in words is "twenty trillion, two hundred twenty-two billion, one hundred ten thousand, twenty-one".