100021112222210 has 16 divisors (see below), whose sum is σ = 180067647754296. Its totient is φ = 40001856943488.

The previous prime is 100021112222179. The next prime is 100021112222231. The reversal of 100021112222210 is 12222211120001.

It can be written as a sum of positive squares in 4 ways, for example, as 83416310362009 + 16604801860201 = 9133253^2 + 4074899^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823429409 + ... + 823550868.

Almost surely, 2^{100021112222210} is an apocalyptic number.

100021112222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021112222210 is a deficient number, since it is larger than the sum of its proper divisors (80046535532086).

100021112222210 is a wasteful number, since it uses less digits than its factorization.

100021112222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646986357.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100021112222210 its reverse (12222211120001), we get a palindrome (112243323342211).

The spelling of 100021112222210 in words is "one hundred trillion, twenty-one billion, one hundred twelve million, two hundred twenty-two thousand, two hundred ten".