2111001200220 has 192 divisors, whose sum is σ = 6536481638400. Its totient is φ = 504760688640.

The previous prime is 2111001200219. The next prime is 2111001200221. The reversal of 2111001200220 is 220021001112.

It is an interprime number because it is at equal distance from previous prime (2111001200219) and next prime (2111001200221).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2111001200196 and 2111001200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111001200221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51963276 + ... + 52003884.

It is an arithmetic number, because the mean of its divisors is an integer number (34044175200).

Almost surely, 2^{2111001200220} is an apocalyptic number.

2111001200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111001200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3268240819200).

2111001200220 is an abundant number, since it is smaller than the sum of its proper divisors (4425480438180).

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

2111001200220 is a wasteful number, since it uses less digits than its factorization.

2111001200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41708 (or 41706 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2111001200220 its reverse (220021001112), we get a palindrome (2331022201332).

The spelling of 2111001200220 in words is "two trillion, one hundred eleven billion, one million, two hundred thousand, two hundred twenty".