10211221121222 has 8 divisors (see below), whose sum is σ = 16709270925672. Its totient is φ = 4641464146000.

The previous prime is 10211221121137. The next prime is 10211221121281. The reversal of 10211221121222 is 22212112211201.

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

It is a junction number, because it is equal to n+sod(n) for n = 10211221121194 and 10211221121203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232073207279 + ... + 232073207322.

It is an arithmetic number, because the mean of its divisors is an integer number (2088658865709).

Almost surely, 2^{10211221121222} is an apocalyptic number.

10211221121222 is a deficient number, since it is larger than the sum of its proper divisors (6498049804450).

10211221121222 is a wasteful number, since it uses less digits than its factorization.

10211221121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464146414614.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 10211221121222 its reverse (22212112211201), we get a palindrome (32423333332423).

The spelling of 10211221121222 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".