100100312222 has 4 divisors (see below), whose sum is σ = 150150468336. Its totient is φ = 50050156110.

The previous prime is 100100312183. The next prime is 100100312231. The reversal of 100100312222 is 222213001001.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 100100312197 and 100100312206.

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, 25025078054 + ... + 25025078057.

It is an arithmetic number, because the mean of its divisors is an integer number (37537617084).

Almost surely, 2^100100312222 is an apocalyptic number.

100100312222 is a deficient number, since it is larger than the sum of its proper divisors (50050156114).

100100312222 is an equidigital number, since it uses as much as digits as its factorization.

100100312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50050156113.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100100312222 its reverse (222213001001), we get a palindrome (322313313223).

The spelling of 100100312222 in words is "one hundred billion, one hundred million, three hundred twelve thousand, two hundred twenty-two".