22211000121 has 8 divisors (see below), whose sum is σ = 29649226464. Its totient is φ = 14790053600.

The previous prime is 22211000107. The next prime is 22211000129. The reversal of 22211000121 is 12100011222.

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 22211000121 - 2¹⁵ = 22210967353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22211000097 and 22211000106.

It is not an unprimeable number, because it can be changed into a prime (22211000129) 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, 4316955 + ... + 4322096.

It is an arithmetic number, because the mean of its divisors is an integer number (3706153308).

Almost surely, 2^22211000121 is an apocalyptic number.

It is an amenable number.

22211000121 is a deficient number, since it is larger than the sum of its proper divisors (7438226343).

22211000121 is an equidigital number, since it uses as much as digits as its factorization.

22211000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639911.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22211000121 its reverse (12100011222), we get a palindrome (34311011343).

The spelling of 22211000121 in words is "twenty-two billion, two hundred eleven million, one hundred twenty-one", and thus it is an aban number.