11212222020102 has 64 divisors (see below), whose sum is σ = 25058485552320. Its totient is φ = 3716090265600.

The previous prime is 11212222020059. The next prime is 11212222020121. The reversal of 11212222020102 is 20102022221211.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7669938 + ... + 9014010.

It is an arithmetic number, because the mean of its divisors is an integer number (391538836755).

Almost surely, 2^{11212222020102} is an apocalyptic number.

11212222020102 is an abundant number, since it is smaller than the sum of its proper divisors (13846263532218).

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

11212222020102 is a wasteful number, since it uses less digits than its factorization.

11212222020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344966 (or 1344960 counting only the distinct ones).

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

Adding to 11212222020102 its reverse (20102022221211), we get a palindrome (31314244241313).

The spelling of 11212222020102 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-two million, twenty thousand, one hundred two".