10101121112 has 8 divisors (see below), whose sum is σ = 18939602100. Its totient is φ = 5050560552.

The previous prime is 10101121103. The next prime is 10101121133. The reversal of 10101121112 is 21112110101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 10101121093 and 10101121102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631320062 + ... + 631320077.

Almost surely, 2^10101121112 is an apocalyptic number.

It is an amenable number.

10101121112 is a deficient number, since it is larger than the sum of its proper divisors (8838480988).

10101121112 is a wasteful number, since it uses less digits than its factorization.

10101121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262640145 (or 1262640141 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10101121112 its reverse (21112110101), we get a palindrome (31213231213).

The spelling of 10101121112 in words is "ten billion, one hundred one million, one hundred twenty-one thousand, one hundred twelve".