10222002220121 has 4 divisors (see below), whose sum is σ = 10275520556544. Its totient is φ = 10168483883700.

The previous prime is 10222002220099. The next prime is 10222002220153. The reversal of 10222002220121 is 12102220022201.

It is a happy number.

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-10222002220121 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 10222002220121.

It is not an unprimeable number, because it can be changed into a prime (10222002222121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26759167925 + ... + 26759168306.

It is an arithmetic number, because the mean of its divisors is an integer number (2568880139136).

Almost surely, 2^{10222002220121} is an apocalyptic number.

It is an amenable number.

10222002220121 is a deficient number, since it is larger than the sum of its proper divisors (53518336423).

10222002220121 is an equidigital number, since it uses as much as digits as its factorization.

10222002220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53518336422.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10222002220121 its reverse (12102220022201), we get a palindrome (22324222242322).

The spelling of 10222002220121 in words is "ten trillion, two hundred twenty-two billion, two million, two hundred twenty thousand, one hundred twenty-one".