11202011012121 has 8 divisors (see below), whose sum is σ = 14952929765280. Its totient is φ = 7459549800192.

The previous prime is 11202011012117. The next prime is 11202011012141. The reversal of 11202011012121 is 12121011020211.

It is a happy number.

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

It is not a de Polignac number, because 11202011012121 - 2² = 11202011012117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11202011012121.

It is not an unprimeable number, because it can be changed into a prime (11202011012141) 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 7 ways as a sum of consecutive naturals, for example, 2114382216 + ... + 2114387513.

It is an arithmetic number, because the mean of its divisors is an integer number (1869116220660).

Almost surely, 2^{11202011012121} is an apocalyptic number.

It is an amenable number.

11202011012121 is a deficient number, since it is larger than the sum of its proper divisors (3750918753159).

11202011012121 is an equidigital number, since it uses as much as digits as its factorization.

11202011012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228770615.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11202011012121 its reverse (12121011020211), we get a palindrome (23323022032332).

The spelling of 11202011012121 in words is "eleven trillion, two hundred two billion, eleven million, twelve thousand, one hundred twenty-one".