2100011010220 has 48 divisors (see below), whose sum is σ = 4470244329600. Its totient is φ = 828595539200.

The previous prime is 2100011010203. The next prime is 2100011010233. The reversal of 2100011010220 is 220101100012.

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 = 2100011010197 and 2100011010206.

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, 1388980 + ... + 2475739.

It is an arithmetic number, because the mean of its divisors is an integer number (93130090200).

Almost surely, 2^{2100011010220} is an apocalyptic number.

2100011010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100011010220 is an abundant number, since it is smaller than the sum of its proper divisors (2370233319380).

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

2100011010220 is a wasteful number, since it uses less digits than its factorization.

2100011010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865098 (or 3865096 counting only the distinct ones).

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

Adding to 2100011010220 its reverse (220101100012), we get a palindrome (2320112110232).

It can be divided in two parts, 210001 and 1010220, that added together give a palindrome (1220221).

The spelling of 2100011010220 in words is "two trillion, one hundred billion, eleven million, ten thousand, two hundred twenty".