1012101111112 has 32 divisors (see below), whose sum is σ = 2335617950400. Its totient is φ = 400391648064.

The previous prime is 1012101111101. The next prime is 1012101111157. The reversal of 1012101111112 is 2111111012101.

It is a super-2 number, since 2×1012101111112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1012101111092 and 1012101111101.

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 in 7 ways as a sum of consecutive naturals, for example, 695123662 + ... + 695125117.

It is an arithmetic number, because the mean of its divisors is an integer number (72988060950).

Almost surely, 2^{1012101111112} is an apocalyptic number.

It is an amenable number.

1012101111112 is an abundant number, since it is smaller than the sum of its proper divisors (1323516839288).

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

1012101111112 is a wasteful number, since it uses less digits than its factorization.

1012101111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390248805 (or 1390248801 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1012101111112 its reverse (2111111012101), we get a palindrome (3123212123213).

The spelling of 1012101111112 in words is "one trillion, twelve billion, one hundred one million, one hundred eleven thousand, one hundred twelve".