22021120002111 has 4 divisors (see below), whose sum is σ = 29361493336152. Its totient is φ = 14680746668072.

The previous prime is 22021120002097. The next prime is 22021120002121. The reversal of 22021120002111 is 11120002112022.

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 22021120002111 - 2¹¹ = 22021120000063 is a prime.

It is a super-2 number, since 2×22021120002111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021120002121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3670186667016 + ... + 3670186667021.

It is an arithmetic number, because the mean of its divisors is an integer number (7340373334038).

Almost surely, 2^{22021120002111} is an apocalyptic number.

22021120002111 is a deficient number, since it is larger than the sum of its proper divisors (7340373334041).

22021120002111 is an equidigital number, since it uses as much as digits as its factorization.

22021120002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340373334040.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22021120002111 its reverse (11120002112022), we get a palindrome (33141122114133).

The spelling of 22021120002111 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, two thousand, one hundred eleven".