100222202210121 has 24 divisors (see below), whose sum is σ = 145409806825920. Its totient is φ = 66517411420896.

The previous prime is 100222202210057. The next prime is 100222202210131. The reversal of 100222202210121 is 121012202222001.

It is a happy number.

100222202210121 is a `hidden beast` number, since 10 + 0 + 222 + 202 + 210 + 1 + 21 = 666.

100222202210121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 100222202210121 - 2⁶ = 100222202210057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100222202210094 and 100222202210103.

It is not an unprimeable number, because it can be changed into a prime (100222202210131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43858300 + ... + 46086818.

It is an arithmetic number, because the mean of its divisors is an integer number (6058741951080).

Almost surely, 2^{100222202210121} is an apocalyptic number.

It is an amenable number.

100222202210121 is a deficient number, since it is larger than the sum of its proper divisors (45187604615799).

100222202210121 is a wasteful number, since it uses less digits than its factorization.

100222202210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250765 (or 2250762 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100222202210121 its reverse (121012202222001), we get a palindrome (221234404432122).

The spelling of 100222202210121 in words is "one hundred trillion, two hundred twenty-two billion, two hundred two million, two hundred ten thousand, one hundred twenty-one".