11212022021202 has 24 divisors (see below), whose sum is σ = 24334816159836. Its totient is φ = 3730863476736.

The previous prime is 11212022021177. The next prime is 11212022021237. The reversal of 11212022021202 is 20212022021211.

It is a happy number.

11212022021202 is a `hidden beast` number, since 11 + 212 + 0 + 220 + 21 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9039048263001 + 2172973758201 = 3006501^2 + 1474101^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539755743 + ... + 539776514.

Almost surely, 2^{11212022021202} is an apocalyptic number.

11212022021202 is an abundant number, since it is smaller than the sum of its proper divisors (13122794138634).

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

11212022021202 is a wasteful number, since it uses less digits than its factorization.

11212022021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079532842 (or 1079532839 counting only the distinct ones).

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

Adding to 11212022021202 its reverse (20212022021211), we get a palindrome (31424044042413).

Subtracting 11212022021202 from its reverse (20212022021211), we obtain a palindrome (9000000000009).

The spelling of 11212022021202 in words is "eleven trillion, two hundred twelve billion, twenty-two million, twenty-one thousand, two hundred two".