22212001111121 has 8 divisors (see below), whose sum is σ = 23524495852320. Its totient is φ = 20913850575072.

The previous prime is 22212001111099. The next prime is 22212001111129. The reversal of 22212001111121 is 12111110021222.

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 22212001111121 - 2⁶ = 22212001111057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212001111121.

It is not an unprimeable number, because it can be changed into a prime (22212001111129) 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, 3586048100 + ... + 3586054293.

It is an arithmetic number, because the mean of its divisors is an integer number (2940561981540).

Almost surely, 2^{22212001111121} is an apocalyptic number.

It is an amenable number.

22212001111121 is a deficient number, since it is larger than the sum of its proper divisors (1312494741199).

22212001111121 is a wasteful number, since it uses less digits than its factorization.

22212001111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172102575.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22212001111121 its reverse (12111110021222), we get a palindrome (34323111132343).

The spelling of 22212001111121 in words is "twenty-two trillion, two hundred twelve billion, one million, one hundred eleven thousand, one hundred twenty-one".