10101220112 has 20 divisors (see below), whose sum is σ = 19591382976. Its totient is φ = 5045379360.

The previous prime is 10101220111. The next prime is 10101220117. The reversal of 10101220112 is 21102210101.

It is a junction number, because it is equal to n+sod(n) for n = 10101220093 and 10101220102.

It is not an unprimeable number, because it can be changed into a prime (10101220111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310964 + ... + 341907.

Almost surely, 2^10101220112 is an apocalyptic number.

It is an amenable number.

10101220112 is a deficient number, since it is larger than the sum of its proper divisors (9490162864).

10101220112 is an equidigital number, since it uses as much as digits as its factorization.

10101220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653846 (or 653840 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10101220112 its reverse (21102210101), we get a palindrome (31203430213).

The spelling of 10101220112 in words is "ten billion, one hundred one million, two hundred twenty thousand, one hundred twelve".