22002201120121 has 8 divisors (see below), whose sum is σ = 24099774046920. Its totient is φ = 19993886615808.

The previous prime is 22002201120077. The next prime is 22002201120157. The reversal of 22002201120121 is 12102110220022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1052686260025 + 20949514860096 = 1026005^2 + 4577064^2 .

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 22002201120121 - 2¹³ = 22002201111929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002201120095 and 22002201120104.

It is not an unprimeable number, because it can be changed into a prime (22002201120721) 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, 22314605106 + ... + 22314606091.

It is an arithmetic number, because the mean of its divisors is an integer number (3012471755865).

Almost surely, 2^{22002201120121} is an apocalyptic number.

It is an amenable number.

22002201120121 is a deficient number, since it is larger than the sum of its proper divisors (2097572926799).

22002201120121 is a wasteful number, since it uses less digits than its factorization.

22002201120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44629211243.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22002201120121 its reverse (12102110220022), we get a palindrome (34104311340143).

Subtracting from 22002201120121 its reverse (12102110220022), we obtain a palindrome (9900090900099).

The spelling of 22002201120121 in words is "twenty-two trillion, two billion, two hundred one million, one hundred twenty thousand, one hundred twenty-one".