100011202212122 has 4 divisors (see below), whose sum is σ = 150016803318186. Its totient is φ = 50005601106060.

The previous prime is 100011202212073. The next prime is 100011202212151. The reversal of 100011202212122 is 221212202110001.

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

It can be written as a sum of positive squares in only one way, i.e., 99997020022201 + 14182189921 = 9999851^2 + 119089^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100011202212122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002800553029 + ... + 25002800553032.

Almost surely, 2^{100011202212122} is an apocalyptic number.

100011202212122 is a deficient number, since it is larger than the sum of its proper divisors (50005601106064).

100011202212122 is an equidigital number, since it uses as much as digits as its factorization.

100011202212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50005601106063.

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

Adding to 100011202212122 its reverse (221212202110001), we get a palindrome (321223404322123).

The spelling of 100011202212122 in words is "one hundred trillion, eleven billion, two hundred two million, two hundred twelve thousand, one hundred twenty-two".