22011210021121 has 8 divisors (see below), whose sum is σ = 22417026338304. Its totient is φ = 21608054795040.

The previous prime is 22011210021113. The next prime is 22011210021271. The reversal of 22011210021121 is 12112001211022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22011210021121 - 2³ = 22011210021113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011210021095 and 22011210021104.

It is not an unprimeable number, because it can be changed into a prime (22011210021821) 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 7 ways as a sum of consecutive naturals, for example, 665256081 + ... + 665289166.

It is an arithmetic number, because the mean of its divisors is an integer number (2802128292288).

Almost surely, 2^{22011210021121} is an apocalyptic number.

It is an amenable number.

22011210021121 is a deficient number, since it is larger than the sum of its proper divisors (405816317183).

22011210021121 is a wasteful number, since it uses less digits than its factorization.

22011210021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330545551.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22011210021121 its reverse (12112001211022), we get a palindrome (34123211232143).

The spelling of 22011210021121 in words is "twenty-two trillion, eleven billion, two hundred ten million, twenty-one thousand, one hundred twenty-one".