100022211111121 has 4 divisors (see below), whose sum is σ = 107716227350452. Its totient is φ = 92328194871792.

The previous prime is 100022211111103. The next prime is 100022211111127. The reversal of 100022211111121 is 121111112220001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21340343832721 + 78681867278400 = 4619561^2 + 8870280^2 .

It is a cyclic number.

It is not a de Polignac number, because 100022211111121 - 2⁷ = 100022211110993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100022211111095 and 100022211111104.

It is not an unprimeable number, because it can be changed into a prime (100022211111127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3847008119646 + ... + 3847008119671.

It is an arithmetic number, because the mean of its divisors is an integer number (26929056837613).

Almost surely, 2^{100022211111121} is an apocalyptic number.

It is an amenable number.

100022211111121 is a deficient number, since it is larger than the sum of its proper divisors (7694016239331).

100022211111121 is an equidigital number, since it uses as much as digits as its factorization.

100022211111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694016239330.

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

Adding to 100022211111121 its reverse (121111112220001), we get a palindrome (221133323331122).

The spelling of 100022211111121 in words is "one hundred trillion, twenty-two billion, two hundred eleven million, one hundred eleven thousand, one hundred twenty-one".