2220102100 has 36 divisors (see below), whose sum is σ = 4825613884. Its totient is φ = 886567680.

The previous prime is 2220102089. The next prime is 2220102127. The reversal of 2220102100 is 12010222.

It can be written as a sum of positive squares in 6 ways, for example, as 972317124 + 1247784976 = 31182^2 + 35324^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43192 + ... + 79408.

Almost surely, 2^2220102100 is an apocalyptic number.

2220102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220102100 is an abundant number, since it is smaller than the sum of its proper divisors (2605511784).

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

2220102100 is a wasteful number, since it uses less digits than its factorization.

2220102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36844 (or 36837 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2220102100 is about 47117.9594210106. The cubic root of 2220102100 is about 1304.5407484479.

Adding to 2220102100 its reverse (12010222), we get a palindrome (2232112322).

The spelling of 2220102100 in words is "two billion, two hundred twenty million, one hundred two thousand, one hundred".