100021100000222 has 4 divisors (see below), whose sum is σ = 150031650000336. Its totient is φ = 50010550000110.

The previous prime is 100021100000191. The next prime is 100021100000267. The reversal of 100021100000222 is 222000001120001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005275000054 + ... + 25005275000057.

It is an arithmetic number, because the mean of its divisors is an integer number (37507912500084).

Almost surely, 2^{100021100000222} is an apocalyptic number.

100021100000222 is a deficient number, since it is larger than the sum of its proper divisors (50010550000114).

100021100000222 is an equidigital number, since it uses as much as digits as its factorization.

100021100000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50010550000113.

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

Adding to 100021100000222 its reverse (222000001120001), we get a palindrome (322021101120223).

The spelling of 100021100000222 in words is "one hundred trillion, twenty-one billion, one hundred million, two hundred twenty-two", and thus it is an aban number.