10221211112122 has 8 divisors (see below), whose sum is σ = 15392899603872. Its totient is φ = 5090244577500.

The previous prime is 10221211112117. The next prime is 10221211112137. The reversal of 10221211112122 is 22121111212201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10221211112122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10180488654 + ... + 10180489657.

It is an arithmetic number, because the mean of its divisors is an integer number (1924112450484).

Almost surely, 2^{10221211112122} is an apocalyptic number.

10221211112122 is a deficient number, since it is larger than the sum of its proper divisors (5171688491750).

10221211112122 is a wasteful number, since it uses less digits than its factorization.

10221211112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20360978564.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10221211112122 its reverse (22121111212201), we get a palindrome (32342322324323).

The spelling of 10221211112122 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty-two".