2000011011220 has 48 divisors (see below), whose sum is σ = 4249364168448. Its totient is φ = 790635081600.

The previous prime is 2000011011191. The next prime is 2000011011253. The reversal of 2000011011220 is 221101100002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2000011011197 and 2000011011206.

It is a congruent 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, 199909 + ... + 2009971.

It is an arithmetic number, because the mean of its divisors is an integer number (88528420176).

Almost surely, 2^{2000011011220} is an apocalyptic number.

2000011011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000011011220 is an abundant number, since it is smaller than the sum of its proper divisors (2249353157228).

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

2000011011220 is a wasteful number, since it uses less digits than its factorization.

2000011011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810720 (or 1810718 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2000011011220 its reverse (221101100002), we get a palindrome (2221112111222).

The spelling of 2000011011220 in words is "two trillion, eleven million, eleven thousand, two hundred twenty".