100011022202221 has 8 divisors (see below), whose sum is σ = 114039717624504. Its totient is φ = 86887403904000.

The previous prime is 100011022202207. The next prime is 100011022202269. The reversal of 100011022202221 is 122202220110001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8210459852100 + 91800562350121 = 2865390^2 + 9581261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100011022202221 - 2²⁷ = 100010887984493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100011022202195 and 100011022202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011022292221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226269280780 + ... + 226269281221.

It is an arithmetic number, because the mean of its divisors is an integer number (14254964703063).

Almost surely, 2^{100011022202221} is an apocalyptic number.

It is an amenable number.

100011022202221 is a deficient number, since it is larger than the sum of its proper divisors (14028695422283).

100011022202221 is a wasteful number, since it uses less digits than its factorization.

100011022202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452538562031.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100011022202221 its reverse (122202220110001), we get a palindrome (222213242312222).

The spelling of 100011022202221 in words is "one hundred trillion, eleven billion, twenty-two million, two hundred two thousand, two hundred twenty-one".