10111210122 has 96 divisors (see below), whose sum is σ = 23884241472. Its totient is φ = 2826851328.

The previous prime is 10111210117. The next prime is 10111210133. The reversal of 10111210122 is 22101211101.

It is a junction number, because it is equal to n+sod(n) for n = 10111210098 and 10111210107.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1110633 + ... + 1119699.

It is an arithmetic number, because the mean of its divisors is an integer number (248794182).

Almost surely, 2^10111210122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111210122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11942120736).

10111210122 is an abundant number, since it is smaller than the sum of its proper divisors (13773031350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111210122 is a wasteful number, since it uses less digits than its factorization.

10111210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160 (or 9131 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10111210122 its reverse (22101211101), we get a palindrome (32212421223).

The spelling of 10111210122 in words is "ten billion, one hundred eleven million, two hundred ten thousand, one hundred twenty-two".