22454121011 has 16 divisors (see below), whose sum is σ = 25839907584. Its totient is φ = 19113106464.

The previous prime is 22454121007. The next prime is 22454121029. The reversal of 22454121011 is 11012145422.

It is a cyclic number.

It is not a de Polignac number, because 22454121011 - 2² = 22454121007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22454121311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1088156 + ... + 1108598.

It is an arithmetic number, because the mean of its divisors is an integer number (1614994224).

Almost surely, 2^22454121011 is an apocalyptic number.

22454121011 is a deficient number, since it is larger than the sum of its proper divisors (3385786573).

22454121011 is a wasteful number, since it uses less digits than its factorization.

22454121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21530.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 22454121011 its reverse (11012145422), we get a palindrome (33466266433).

The spelling of 22454121011 in words is "twenty-two billion, four hundred fifty-four million, one hundred twenty-one thousand, eleven".