11222120222010 has 48 divisors (see below), whose sum is σ = 29338714346760. Its totient is φ = 2976031877760.

The previous prime is 11222120221979. The next prime is 11222120222051. The reversal of 11222120222010 is 1022202122211.

It is a happy number.

11222120222010 is a `hidden beast` number, since 1 + 12 + 221 + 202 + 220 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1728875227689 + 9493244994321 = 1314867^2 + 3081111^2 .

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 23 ways as a sum of consecutive naturals, for example, 344431845 + ... + 344464424.

Almost surely, 2^{11222120222010} is an apocalyptic number.

11222120222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222120222010 is an abundant number, since it is smaller than the sum of its proper divisors (18116594124750).

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

11222120222010 is a wasteful number, since it uses less digits than its factorization.

11222120222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688896463 (or 688896460 counting only the distinct ones).

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

Adding to 11222120222010 its reverse (1022202122211), we get a palindrome (12244322344221).

The spelling of 11222120222010 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, ten".