22222021002011 has 4 divisors (see below), whose sum is σ = 22222062052224. Its totient is φ = 22221979951800.

The previous prime is 22222021002001. The next prime is 22222021002101. The reversal of 22222021002011 is 11020012022222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22222021002011 - 2²⁶ = 22221953893147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222021002001) 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, 19702100 + ... + 20799441.

It is an arithmetic number, because the mean of its divisors is an integer number (5555515513056).

Almost surely, 2^{22222021002011} is an apocalyptic number.

22222021002011 is a deficient number, since it is larger than the sum of its proper divisors (41050213).

22222021002011 is an equidigital number, since it uses as much as digits as its factorization.

22222021002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41050212.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22222021002011 its reverse (11020012022222), we get a palindrome (33242033024233).

The spelling of 22222021002011 in words is "twenty-two trillion, two hundred twenty-two billion, twenty-one million, two thousand, eleven".