10101221010112 has 14 divisors (see below), whose sum is σ = 20044610442068. Its totient is φ = 5050610505024.

The previous prime is 10101221010091. The next prime is 10101221010137. The reversal of 10101221010112 is 21101012210101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10101221010092 and 10101221010101.

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 as a sum of consecutive naturals, namely, 78915789078 + ... + 78915789205.

Almost surely, 2^{10101221010112} is an apocalyptic number.

It is an amenable number.

10101221010112 is a deficient number, since it is larger than the sum of its proper divisors (9943389431956).

10101221010112 is an equidigital number, since it uses as much as digits as its factorization.

10101221010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157831578295 (or 157831578285 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101221010112 its reverse (21101012210101), we get a palindrome (31202233220213).

The spelling of 10101221010112 in words is "ten trillion, one hundred one billion, two hundred twenty-one million, ten thousand, one hundred twelve".