20021022200011 has 4 divisors (see below), whose sum is σ = 22881168228592. Its totient is φ = 17160876171432.

The previous prime is 20021022200009. The next prime is 20021022200021. The reversal of 20021022200011 is 11000222012002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20021022200011 - 2¹ = 20021022200009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20021022199964 and 20021022200000.

It is not an unprimeable number, because it can be changed into a prime (20021022200021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430073014280 + ... + 1430073014293.

It is an arithmetic number, because the mean of its divisors is an integer number (5720292057148).

Almost surely, 2^{20021022200011} is an apocalyptic number.

20021022200011 is a deficient number, since it is larger than the sum of its proper divisors (2860146028581).

20021022200011 is an equidigital number, since it uses as much as digits as its factorization.

20021022200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860146028580.

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

Adding to 20021022200011 its reverse (11000222012002), we get a palindrome (31021244212013).

The spelling of 20021022200011 in words is "twenty trillion, twenty-one billion, twenty-two million, two hundred thousand, eleven".