100222021112121 has 12 divisors (see below), whose sum is σ = 144874233667072. Its totient is φ = 66764330559576.

The previous prime is 100222021112107. The next prime is 100222021112159. The reversal of 100222021112121 is 121211120222001.

100222021112121 is a `hidden beast` number, since 100 + 2 + 220 + 211 + 12 + 121 = 666.

It is not a de Polignac number, because 100222021112121 - 2⁵ = 100222021112089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100222021112094 and 100222021112103.

It is not an unprimeable number, because it can be changed into a prime (100222021112221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4195835881 + ... + 4195859766.

Almost surely, 2^{100222021112121} is an apocalyptic number.

It is an amenable number.

100222021112121 is a deficient number, since it is larger than the sum of its proper divisors (44652212554951).

100222021112121 is a wasteful number, since it uses less digits than its factorization.

100222021112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391696980 (or 8391696977 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100222021112121 its reverse (121211120222001), we get a palindrome (221433141334122).

The spelling of 100222021112121 in words is "one hundred trillion, two hundred twenty-two billion, twenty-one million, one hundred twelve thousand, one hundred twenty-one".