10121222111012 has 24 divisors (see below), whose sum is σ = 17744465781504. Its totient is φ = 5051375287712.

The previous prime is 10121222110949. The next prime is 10121222111041. The reversal of 10121222111012 is 21011122212101.

10121222111012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139630403 + ... + 139702869.

It is an arithmetic number, because the mean of its divisors is an integer number (739352740896).

Almost surely, 2^{10121222111012} is an apocalyptic number.

It is an amenable number.

10121222111012 is a deficient number, since it is larger than the sum of its proper divisors (7623243670492).

10121222111012 is a wasteful number, since it uses less digits than its factorization.

10121222111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135715 (or 135713 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10121222111012 its reverse (21011122212101), we get a palindrome (31132344323113).

The spelling of 10121222111012 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, twelve".