2000100111220 has 12 divisors (see below), whose sum is σ = 4200210233604. Its totient is φ = 800040044480.

The previous prime is 2000100111167. The next prime is 2000100111241. The reversal of 2000100111220 is 221110010002.

It can be written as a sum of positive squares in 2 ways, for example, as 1596755722384 + 403344388836 = 1263628^2 + 635094^2 .

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 = 2000100111197 and 2000100111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50002502761 + ... + 50002502800.

It is an arithmetic number, because the mean of its divisors is an integer number (350017519467).

Almost surely, 2^{2000100111220} is an apocalyptic number.

2000100111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000100111220 is an abundant number, since it is smaller than the sum of its proper divisors (2200110122384).

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

2000100111220 is a wasteful number, since it uses less digits than its factorization.

2000100111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100005005570 (or 100005005568 counting only the distinct ones).

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

Adding to 2000100111220 its reverse (221110010002), we get a palindrome (2221210121222).

The spelling of 2000100111220 in words is "two trillion, one hundred million, one hundred eleven thousand, two hundred twenty".