220022001110021 has 16 divisors (see below), whose sum is σ = 242357825568768. Its totient is φ = 198075203377200.

The previous prime is 220022001109973. The next prime is 220022001110029. The reversal of 220022001110021 is 120011100220022.

It is a cyclic number.

It is not a de Polignac number, because 220022001110021 - 2²² = 220021996915717 is a prime.

It is a super-2 number, since 2×220022001110021² (a number of 29 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 = 220022001109978 and 220022001110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022001110029) 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, 79267856 + ... + 81996566.

It is an arithmetic number, because the mean of its divisors is an integer number (15147364098048).

Almost surely, 2^{220022001110021} is an apocalyptic number.

It is an amenable number.

220022001110021 is a deficient number, since it is larger than the sum of its proper divisors (22335824458747).

220022001110021 is a wasteful number, since it uses less digits than its factorization.

220022001110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799992.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220022001110021 its reverse (120011100220022), we get a palindrome (340033101330043).

The spelling of 220022001110021 in words is "two hundred twenty trillion, twenty-two billion, one million, one hundred ten thousand, twenty-one".