1011012112103 has 12 divisors (see below), whose sum is σ = 1176184455912. Its totient is φ = 866501390160.

The previous prime is 1011012112091. The next prime is 1011012112153. The reversal of 1011012112103 is 3012112101101.

It is not a de Polignac number, because 1011012112103 - 2¹⁸ = 1011011849959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011012112153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420953 + ... + 1482978.

It is an arithmetic number, because the mean of its divisors is an integer number (98015371326).

Almost surely, 2^{1011012112103} is an apocalyptic number.

1011012112103 is a deficient number, since it is larger than the sum of its proper divisors (165172343809).

1011012112103 is a wasteful number, since it uses less digits than its factorization.

1011012112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914782 (or 1914775 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1011012112103 its reverse (3012112101101), we get a palindrome (4023124213204).

The spelling of 1011012112103 in words is "one trillion, eleven billion, twelve million, one hundred twelve thousand, one hundred three".