22022211010121 has 4 divisors (see below), whose sum is σ = 25168241154432. Its totient is φ = 18876180865812.

The previous prime is 22022211010099. The next prime is 22022211010127. The reversal of 22022211010121 is 12101011222022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22022211010121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22022211010121.

It is not an unprimeable number, because it can be changed into a prime (22022211010127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573015072145 + ... + 1573015072158.

It is an arithmetic number, because the mean of its divisors is an integer number (6292060288608).

Almost surely, 2^{22022211010121} is an apocalyptic number.

It is an amenable number.

22022211010121 is a deficient number, since it is larger than the sum of its proper divisors (3146030144311).

22022211010121 is an equidigital number, since it uses as much as digits as its factorization.

22022211010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146030144310.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22022211010121 its reverse (12101011222022), we get a palindrome (34123222232143).

The spelling of 22022211010121 in words is "twenty-two trillion, twenty-two billion, two hundred eleven million, ten thousand, one hundred twenty-one".