11212020220122 has 24 divisors (see below), whose sum is σ = 24293620303680. Its totient is φ = 3737200100040.

The previous prime is 11212020220073. The next prime is 11212020220133. The reversal of 11212020220122 is 22102202021211.

It is a happy number.

11212020220122 is a `hidden beast` number, since 1 + 121 + 202 + 0 + 220 + 122 = 666.

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 = 11212020220095 and 11212020220104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11169922 + ... + 12132237.

It is an arithmetic number, because the mean of its divisors is an integer number (1012234179320).

Almost surely, 2^{11212020220122} is an apocalyptic number.

11212020220122 is an abundant number, since it is smaller than the sum of its proper divisors (13081600083558).

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

11212020220122 is a wasteful number, since it uses less digits than its factorization.

11212020220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23328898 (or 23328895 counting only the distinct ones).

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

Adding to 11212020220122 its reverse (22102202021211), we get a palindrome (33314222241333).

The spelling of 11212020220122 in words is "eleven trillion, two hundred twelve billion, twenty million, two hundred twenty thousand, one hundred twenty-two".