100222021121 has 16 divisors (see below), whose sum is σ = 101851416576. Its totient is φ = 98606505936.

The previous prime is 100222021091. The next prime is 100222021129. The reversal of 100222021121 is 121120222001.

It is a cyclic number.

It is not a de Polignac number, because 100222021121 - 2²² = 100217826817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100222021096 and 100222021105.

It is not an unprimeable number, because it can be changed into a prime (100222021129) 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, 36219080 + ... + 36221846.

It is an arithmetic number, because the mean of its divisors is an integer number (6365713536).

Almost surely, 2^100222021121 is an apocalyptic number.

It is an amenable number.

100222021121 is a deficient number, since it is larger than the sum of its proper divisors (1629395455).

100222021121 is a wasteful number, since it uses less digits than its factorization.

100222021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100222021121 its reverse (121120222001), we get a palindrome (221342243122).

The spelling of 100222021121 in words is "one hundred billion, two hundred twenty-two million, twenty-one thousand, one hundred twenty-one".