100120220210 has 8 divisors (see below), whose sum is σ = 180216396396. Its totient is φ = 40048088080.

The previous prime is 100120220171. The next prime is 100120220309. The reversal of 100120220210 is 12022021001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97880753881 + 2239466329 = 312859^2 + 47323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100120220191 and 100120220200.

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, 5006011001 + ... + 5006011020.

Almost surely, 2^100120220210 is an apocalyptic number.

100120220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120220210 is a deficient number, since it is larger than the sum of its proper divisors (80096176186).

100120220210 is a wasteful number, since it uses less digits than its factorization.

100120220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012022028.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100120220210 its reverse (12022021001), we get a palindrome (112142241211).

The spelling of 100120220210 in words is "one hundred billion, one hundred twenty million, two hundred twenty thousand, two hundred ten".