2111101200220 has 24 divisors (see below), whose sum is σ = 4461550186464. Its totient is φ = 839061877056.

The previous prime is 2111101200209. The next prime is 2111101200233. The reversal of 2111101200220 is 220021011112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111101200220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336159472 + ... + 336165751.

It is an arithmetic number, because the mean of its divisors is an integer number (185897924436).

Almost surely, 2^{2111101200220} is an apocalyptic number.

2111101200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111101200220 is an abundant number, since it is smaller than the sum of its proper divisors (2350448986244).

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

2111101200220 is a wasteful number, since it uses less digits than its factorization.

2111101200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672325389 (or 672325387 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2111101200220 its reverse (220021011112), we get a palindrome (2331122211332).

The spelling of 2111101200220 in words is "two trillion, one hundred eleven billion, one hundred one million, two hundred thousand, two hundred twenty".