11202002222121 has 48 divisors (see below), whose sum is σ = 16743290403840. Its totient is φ = 7209511920000.

The previous prime is 11202002222101. The next prime is 11202002222141. The reversal of 11202002222121 is 12122220020211.

It is a happy number.

11202002222121 is a `hidden beast` number, since 1 + 120 + 200 + 2 + 222 + 121 = 666.

It is an interprime number because it is at equal distance from previous prime (11202002222101) and next prime (11202002222141).

It is not a de Polignac number, because 11202002222121 - 2⁹ = 11202002221609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11202002222094 and 11202002222103.

It is not an unprimeable number, because it can be changed into a prime (11202002222101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 612088671 + ... + 612106971.

It is an arithmetic number, because the mean of its divisors is an integer number (348818550080).

Almost surely, 2^{11202002222121} is an apocalyptic number.

It is an amenable number.

11202002222121 is a deficient number, since it is larger than the sum of its proper divisors (5541288181719).

11202002222121 is a wasteful number, since it uses less digits than its factorization.

11202002222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23558 (or 23555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11202002222121 its reverse (12122220020211), we get a palindrome (23324222242332).

The spelling of 11202002222121 in words is "eleven trillion, two hundred two billion, two million, two hundred twenty-two thousand, one hundred twenty-one".