2101111300220 has 12 divisors (see below), whose sum is σ = 4412333730504. Its totient is φ = 840444520080.

The previous prime is 2101111300219. The next prime is 2101111300237. The reversal of 2101111300220 is 220031111012.

It is a junction number, because it is equal to n+sod(n) for n = 2101111300195 and 2101111300204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52527782486 + ... + 52527782525.

It is an arithmetic number, because the mean of its divisors is an integer number (367694477542).

Almost surely, 2^{2101111300220} is an apocalyptic number.

2101111300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101111300220 is an abundant number, since it is smaller than the sum of its proper divisors (2311222430284).

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

2101111300220 is a wasteful number, since it uses less digits than its factorization.

2101111300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105055565020 (or 105055565018 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2101111300220 its reverse (220031111012), we get a palindrome (2321142411232).

The spelling of 2101111300220 in words is "two trillion, one hundred one billion, one hundred eleven million, three hundred thousand, two hundred twenty".