100100222121 has 8 divisors (see below), whose sum is σ = 133472836224. Its totient is φ = 66730544720.

The previous prime is 100100222119. The next prime is 100100222129. The reversal of 100100222121 is 121222001001.

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

It is a cyclic number.

It is not a de Polignac number, because 100100222121 - 2¹ = 100100222119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100100222097 and 100100222106.

It is not an unprimeable number, because it can be changed into a prime (100100222129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653370 + ... + 791891.

It is an arithmetic number, because the mean of its divisors is an integer number (16684104528).

Almost surely, 2^100100222121 is an apocalyptic number.

It is an amenable number.

100100222121 is a deficient number, since it is larger than the sum of its proper divisors (33372614103).

100100222121 is a wasteful number, since it uses less digits than its factorization.

100100222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468351.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100100222121 its reverse (121222001001), we get a palindrome (221322223122).

The spelling of 100100222121 in words is "one hundred billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-one".