100212211123 has 8 divisors (see below), whose sum is σ = 103697056080. Its totient is φ = 96729316320.

The previous prime is 100212211093. The next prime is 100212211129. The reversal of 100212211123 is 321112212001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100212211123 is a prime.

It is a super-2 number, since 2×100212211123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100212211097 and 100212211106.

It is not an unprimeable number, because it can be changed into a prime (100212211129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382593 + ... + 588898.

It is an arithmetic number, because the mean of its divisors is an integer number (12962132010).

Almost surely, 2^100212211123 is an apocalyptic number.

100212211123 is a deficient number, since it is larger than the sum of its proper divisors (3484844957).

100212211123 is an equidigital number, since it uses as much as digits as its factorization.

100212211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975077.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100212211123 its reverse (321112212001), we get a palindrome (421324423124).

The spelling of 100212211123 in words is "one hundred billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-three".