10222121001223 has 4 divisors (see below), whose sum is σ = 10223389419880. Its totient is φ = 10220852582568.

The previous prime is 10222121001217. The next prime is 10222121001241. The reversal of 10222121001223 is 32210012122201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10222121001223 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 10222121001223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222121001293) 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, 634197240 + ... + 634213357.

It is an arithmetic number, because the mean of its divisors is an integer number (2555847354970).

Almost surely, 2^{10222121001223} is an apocalyptic number.

10222121001223 is a deficient number, since it is larger than the sum of its proper divisors (1268418657).

10222121001223 is an equidigital number, since it uses as much as digits as its factorization.

10222121001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268418656.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10222121001223 its reverse (32210012122201), we get a palindrome (42432133123424).

The spelling of 10222121001223 in words is "ten trillion, two hundred twenty-two billion, one hundred twenty-one million, one thousand, two hundred twenty-three".