22012120010121 has 8 divisors (see below), whose sum is σ = 29563723225824. Its totient is φ = 14567631733920.

The previous prime is 22012120010081. The next prime is 22012120010201. The reversal of 22012120010121 is 12101002121022.

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

It is not a de Polignac number, because 22012120010121 - 2⁶ = 22012120010057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22012120010121.

It is not an unprimeable number, because it can be changed into a prime (22012120060121) 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, 26778734395 + ... + 26778735216.

It is an arithmetic number, because the mean of its divisors is an integer number (3695465403228).

Almost surely, 2^{22012120010121} is an apocalyptic number.

It is an amenable number.

22012120010121 is a deficient number, since it is larger than the sum of its proper divisors (7551603215703).

22012120010121 is a wasteful number, since it uses less digits than its factorization.

22012120010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53557469751.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22012120010121 its reverse (12101002121022), we get a palindrome (34113122131143).

The spelling of 22012120010121 in words is "twenty-two trillion, twelve billion, one hundred twenty million, ten thousand, one hundred twenty-one".