12202121011122 has 72 divisors (see below), whose sum is σ = 31275585291600. Its totient is φ = 3427230099888.

The previous prime is 12202121011121. The next prime is 12202121011133. The reversal of 12202121011122 is 22111012120221.

12202121011122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12202121011095 and 12202121011104.

It is not an unprimeable number, because it can be changed into a prime (12202121011121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117190372 + ... + 117294447.

It is an arithmetic number, because the mean of its divisors is an integer number (434383129050).

Almost surely, 2^{12202121011122} is an apocalyptic number.

12202121011122 is an abundant number, since it is smaller than the sum of its proper divisors (19073464280478).

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

12202121011122 is a wasteful number, since it uses less digits than its factorization.

12202121011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234484900 (or 234484890 counting only the distinct ones).

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

Adding to 12202121011122 its reverse (22111012120221), we get a palindrome (34313133131343).

The spelling of 12202121011122 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, eleven thousand, one hundred twenty-two".