11020220212122 has 96 divisors (see below), whose sum is σ = 26409841226496. Its totient is φ = 3293062387200.

The previous prime is 11020220212081. The next prime is 11020220212123. The reversal of 11020220212122 is 22121202202011.

It is a happy number.

11020220212122 is a `hidden beast` number, since 110 + 2 + 0 + 220 + 212 + 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 = 11020220212095 and 11020220212104.

It is not an unprimeable number, because it can be changed into a prime (11020220212123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75535998 + ... + 75681750.

It is an arithmetic number, because the mean of its divisors is an integer number (275102512776).

Almost surely, 2^{11020220212122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020220212122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13204920613248).

11020220212122 is an abundant number, since it is smaller than the sum of its proper divisors (15389621014374).

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

11020220212122 is a wasteful number, since it uses less digits than its factorization.

11020220212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151076 (or 151073 counting only the distinct ones).

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

Adding to 11020220212122 its reverse (22121202202011), we get a palindrome (33141422414133).

The spelling of 11020220212122 in words is "eleven trillion, twenty billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty-two".