22111021120011 has 4 divisors (see below), whose sum is σ = 29481361493352. Its totient is φ = 14740680746672.

The previous prime is 22111021120003. The next prime is 22111021120021. The reversal of 22111021120011 is 11002112011122.

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 22111021120011 - 2³ = 22111021120003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22111021120021) 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, 3685170186666 + ... + 3685170186671.

It is an arithmetic number, because the mean of its divisors is an integer number (7370340373338).

Almost surely, 2^{22111021120011} is an apocalyptic number.

22111021120011 is a deficient number, since it is larger than the sum of its proper divisors (7370340373341).

22111021120011 is an equidigital number, since it uses as much as digits as its factorization.

22111021120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370340373340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22111021120011 its reverse (11002112011122), we get a palindrome (33113133131133).

The spelling of 22111021120011 in words is "twenty-two trillion, one hundred eleven billion, twenty-one million, one hundred twenty thousand, eleven".