11222021112210 has 24 divisors (see below), whose sum is σ = 29177254891980. Its totient is φ = 2992538963232.

The previous prime is 11222021112199. The next prime is 11222021112257. The reversal of 11222021112210 is 1221112022211.

11222021112210 is a `hidden beast` number, since 1 + 12 + 220 + 211 + 1 + 221 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10645452731169 + 576568381041 = 3262737^2 + 759321^2 .

It is a super-2 number, since 2×11222021112210² (a number of 27 digits) contains 22 as substring.

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

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 62344561645 + ... + 62344561824.

Almost surely, 2^{11222021112210} is an apocalyptic number.

11222021112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222021112210 is an abundant number, since it is smaller than the sum of its proper divisors (17955233779770).

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

11222021112210 is a wasteful number, since it uses less digits than its factorization.

11222021112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124689123482 (or 124689123479 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11222021112210 its reverse (1221112022211), we get a palindrome (12443133134421).

The spelling of 11222021112210 in words is "eleven trillion, two hundred twenty-two billion, twenty-one million, one hundred twelve thousand, two hundred ten".