11202121011222 has 20 divisors (see below), whose sum is σ = 25101048932916. Its totient is φ = 3734040337020.

The previous prime is 11202121011199. The next prime is 11202121011227. The reversal of 11202121011222 is 22211012120211.

It is a super-2 number, since 2×11202121011222² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 11202121011195 and 11202121011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202121011227) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34574447404 + ... + 34574447727.

Almost surely, 2^{11202121011222} is an apocalyptic number.

11202121011222 is an abundant number, since it is smaller than the sum of its proper divisors (13898927921694).

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

11202121011222 is an equidigital number, since it uses as much as digits as its factorization.

11202121011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69148895145 (or 69148895136 counting only the distinct ones).

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

Adding to 11202121011222 its reverse (22211012120211), we get a palindrome (33413133131433).

The spelling of 11202121011222 in words is "eleven trillion, two hundred two billion, one hundred twenty-one million, eleven thousand, two hundred twenty-two".