100121002222 has 4 divisors (see below), whose sum is σ = 150181503336. Its totient is φ = 50060501110.

The previous prime is 100121002199. The next prime is 100121002279. The reversal of 100121002222 is 222200121001.

It is a happy number.

100121002222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 25030250554 + ... + 25030250557.

It is an arithmetic number, because the mean of its divisors is an integer number (37545375834).

Almost surely, 2^100121002222 is an apocalyptic number.

100121002222 is a deficient number, since it is larger than the sum of its proper divisors (50060501114).

100121002222 is an equidigital number, since it uses as much as digits as its factorization.

100121002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50060501113.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100121002222 its reverse (222200121001), we get a palindrome (322321123223).

The spelling of 100121002222 in words is "one hundred billion, one hundred twenty-one million, two thousand, two hundred twenty-two".