222000102100 has 144 divisors (see below), whose sum is σ = 584104837120. Its totient is φ = 71539977600.

The previous prime is 222000102089. The next prime is 222000102161. The reversal of 222000102100 is 1201000222.

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1623385 + ... + 1754815.

Almost surely, 2^222000102100 is an apocalyptic number.

222000102100 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 222000102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292052418560).

222000102100 is an abundant number, since it is smaller than the sum of its proper divisors (362104735020).

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

222000102100 is a wasteful number, since it uses less digits than its factorization.

222000102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131598 (or 131591 counting only the distinct ones).

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

Adding to 222000102100 its reverse (1201000222), we get a palindrome (223201102322).

The spelling of 222000102100 in words is "two hundred twenty-two billion, one hundred two thousand, one hundred".