100222222201211 has 4 divisors (see below), whose sum is σ = 109333333310424. Its totient is φ = 91111111092000.

The previous prime is 100222222201201. The next prime is 100222222201219. The reversal of 100222222201211 is 112102222222001.

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

It is a cyclic number.

It is not a de Polignac number, because 100222222201211 - 2²⁶ = 100222155092347 is a prime.

It is a super-2 number, since 2×100222222201211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100222222201219) 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, 4555555554590 + ... + 4555555554611.

It is an arithmetic number, because the mean of its divisors is an integer number (27333333327606).

Almost surely, 2^{100222222201211} is an apocalyptic number.

100222222201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100222222201211 is a deficient number, since it is larger than the sum of its proper divisors (9111111109213).

100222222201211 is an equidigital number, since it uses as much as digits as its factorization.

100222222201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111111109212.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100222222201211 its reverse (112102222222001), we get a palindrome (212324444423212).

The spelling of 100222222201211 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, two hundred eleven".