10222022211221 has 8 divisors (see below), whose sum is σ = 10225150512384. Its totient is φ = 10218894182640.

The previous prime is 10222022211217. The next prime is 10222022211227. The reversal of 10222022211221 is 12211222022201.

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 10222022211221 - 2² = 10222022211217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222022211193 and 10222022211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222022211227) 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, 94357316 + ... + 94465586.

It is an arithmetic number, because the mean of its divisors is an integer number (1278143814048).

Almost surely, 2^{10222022211221} is an apocalyptic number.

It is an amenable number.

10222022211221 is a deficient number, since it is larger than the sum of its proper divisors (3128301163).

10222022211221 is a wasteful number, since it uses less digits than its factorization.

10222022211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136291.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10222022211221 its reverse (12211222022201), we get a palindrome (22433244233422).

The spelling of 10222022211221 in words is "ten trillion, two hundred twenty-two billion, twenty-two million, two hundred eleven thousand, two hundred twenty-one".