11222021220210 has 24 divisors (see below), whose sum is σ = 29177255172780. Its totient is φ = 2992538992032.

The previous prime is 11222021220131. The next prime is 11222021220247. The reversal of 11222021220210 is 1202212022211.

It is a happy number.

11222021220210 is a `hidden beast` number, since 1 + 1 + 2 + 220 + 212 + 20 + 210 = 666.

11222021220210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10273518584289 + 948502635921 = 3205233^2 + 973911^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62344562245 + ... + 62344562424.

Almost surely, 2^{11222021220210} is an apocalyptic number.

11222021220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222021220210 is an abundant number, since it is smaller than the sum of its proper divisors (17955233952570).

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

11222021220210 is a wasteful number, since it uses less digits than its factorization.

11222021220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124689124682 (or 124689124679 counting only the distinct ones).

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

Adding to 11222021220210 its reverse (1202212022211), we get a palindrome (12424233242421).

The spelling of 11222021220210 in words is "eleven trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty thousand, two hundred ten".