100121002223 has 16 divisors (see below), whose sum is σ = 115658992800. Its totient is φ = 85656729600.

The previous prime is 100121002199. The next prime is 100121002279. The reversal of 100121002223 is 322200121001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100121002223 - 2³⁶ = 31401525487 is a prime.

It is a super-2 number, since 2×100121002223² (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 = 100121002198 and 100121002207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121001223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2640503 + ... + 2678151.

It is an arithmetic number, because the mean of its divisors is an integer number (7228687050).

Almost surely, 2^100121002223 is an apocalyptic number.

100121002223 is a deficient number, since it is larger than the sum of its proper divisors (15537990577).

100121002223 is a wasteful number, since it uses less digits than its factorization.

100121002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51898.

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

Adding to 100121002223 its reverse (322200121001), we get a palindrome (422321123224).

The spelling of 100121002223 in words is "one hundred billion, one hundred twenty-one million, two thousand, two hundred twenty-three".