222211002121101 has 24 divisors (see below), whose sum is σ = 366827308945344. Its totient is φ = 126976747129920.

The previous prime is 222211002121051. The next prime is 222211002121123. The reversal of 222211002121101 is 101121200112222.

222211002121101 is a `hidden beast` number, since 22 + 221 + 100 + 212 + 110 + 1 = 666.

It is not a de Polignac number, because 222211002121101 - 2⁷ = 222211002120973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211002121001) 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, 5082096 + ... + 21685241.

It is an arithmetic number, because the mean of its divisors is an integer number (15284471206056).

Almost surely, 2^{222211002121101} is an apocalyptic number.

222211002121101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222211002121101 is a deficient number, since it is larger than the sum of its proper divisors (144616306824243).

222211002121101 is a wasteful number, since it uses less digits than its factorization.

222211002121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26899121 (or 26899118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222211002121101 its reverse (101121200112222), we get a palindrome (323332202233323).

The spelling of 222211002121101 in words is "two hundred twenty-two trillion, two hundred eleven billion, two million, one hundred twenty-one thousand, one hundred one".