22202112121121 has 8 divisors (see below), whose sum is σ = 22208505064704. Its totient is φ = 22195720041840.

The previous prime is 22202112121117. The next prime is 22202112121153. The reversal of 22202112121121 is 12112121120222.

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 22202112121121 - 2² = 22202112121117 is a prime.

It is a super-3 number, since 3×22202112121121³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22202112121093 and 22202112121102.

It is not an unprimeable number, because it can be changed into a prime (22202112129121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53040770 + ... + 53457716.

It is an arithmetic number, because the mean of its divisors is an integer number (2776063133088).

Almost surely, 2^{22202112121121} is an apocalyptic number.

It is an amenable number.

22202112121121 is a deficient number, since it is larger than the sum of its proper divisors (6392943583).

22202112121121 is an equidigital number, since it uses as much as digits as its factorization.

22202112121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432151.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22202112121121 its reverse (12112121120222), we get a palindrome (34314233241343).

The spelling of 22202112121121 in words is "twenty-two trillion, two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty-one".