11122222201000 has 64 divisors (see below), whose sum is σ = 26030288466000. Its totient is φ = 4448155801600.

The previous prime is 11122222200997. The next prime is 11122222201037. The reversal of 11122222201000 is 10222222111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 222834978916 + 10899387222084 = 472054^2 + 3301422^2 .

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 15 ways as a sum of consecutive naturals, for example, 5175696 + ... + 7002304.

Almost surely, 2^{11122222201000} is an apocalyptic number.

11122222201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122222201000 is an abundant number, since it is smaller than the sum of its proper divisors (14908066265000).

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

11122222201000 is a wasteful number, since it uses less digits than its factorization.

11122222201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832719 (or 1832705 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11122222201000 its reverse (10222222111), we get a palindrome (11132444423111).

The spelling of 11122222201000 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand".