2011222201000 has 64 divisors (see below), whose sum is σ = 4706471278080. Its totient is φ = 804452756800.

The previous prime is 2011222200961. The next prime is 2011222201031. The reversal of 2011222201000 is 1022221102.

It is a happy number.

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, 39861789 + ... + 39912211.

It is an arithmetic number, because the mean of its divisors is an integer number (73538613720).

Almost surely, 2^{2011222201000} is an apocalyptic number.

2011222201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011222201000 is an abundant number, since it is smaller than the sum of its proper divisors (2695249077080).

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

2011222201000 is a wasteful number, since it uses less digits than its factorization.

2011222201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90331 (or 90317 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2011222201000 its reverse (1022221102), we get a palindrome (2012244422102).

The spelling of 2011222201000 in words is "two trillion, eleven billion, two hundred twenty-two million, two hundred one thousand".