11121210212202 has 16 divisors (see below), whose sum is σ = 24713800471680. Its totient is φ = 3707070070716.

The previous prime is 11121210212197. The next prime is 11121210212207. The reversal of 11121210212202 is 20221201212111.

It is an interprime number because it is at equal distance from previous prime (11121210212197) and next prime (11121210212207).

It is a super-3 number, since 3×11121210212202³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11121210212207) 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, 102974168578 + ... + 102974168685.

It is an arithmetic number, because the mean of its divisors is an integer number (1544612529480).

Almost surely, 2^{11121210212202} is an apocalyptic number.

11121210212202 is an abundant number, since it is smaller than the sum of its proper divisors (13592590259478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121210212202 is a wasteful number, since it uses less digits than its factorization.

11121210212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205948337274 (or 205948337268 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11121210212202 its reverse (20221201212111), we get a palindrome (31342411424313).

Subtracting 11121210212202 from its reverse (20221201212111), we obtain a palindrome (9099990999909).

The spelling of 11121210212202 in words is "eleven trillion, one hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, two hundred two".