100021100122222 has 8 divisors (see below), whose sum is σ = 150033155630400. Its totient is φ = 50010048245424.

The previous prime is 100021100122187. The next prime is 100021100122241. The reversal of 100021100122222 is 222221001120001.

It is a happy number.

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 = 100021100122196 and 100021100122205.

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, 250658647 + ... + 251057362.

It is an arithmetic number, because the mean of its divisors is an integer number (18754144453800).

Almost surely, 2^{100021100122222} is an apocalyptic number.

100021100122222 is a deficient number, since it is larger than the sum of its proper divisors (50012055508178).

100021100122222 is an equidigital number, since it uses as much as digits as its factorization.

100021100122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501815690.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100021100122222 its reverse (222221001120001), we get a palindrome (322242101242223).

The spelling of 100021100122222 in words is "one hundred trillion, twenty-one billion, one hundred million, one hundred twenty-two thousand, two hundred twenty-two".