1012112201103 has 4 divisors (see below), whose sum is σ = 1349482934808. Its totient is φ = 674741467400.

The previous prime is 1012112201099. The next prime is 1012112201129. The reversal of 1012112201103 is 3011022112101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012112201103 - 2² = 1012112201099 is a prime.

It is a super-2 number, since 2×1012112201103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012112201143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 168685366848 + ... + 168685366853.

It is an arithmetic number, because the mean of its divisors is an integer number (337370733702).

Almost surely, 2^{1012112201103} is an apocalyptic number.

1012112201103 is a deficient number, since it is larger than the sum of its proper divisors (337370733705).

1012112201103 is an equidigital number, since it uses as much as digits as its factorization.

1012112201103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337370733704.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1012112201103 its reverse (3011022112101), we get a palindrome (4023134313204).

The spelling of 1012112201103 in words is "one trillion, twelve billion, one hundred twelve million, two hundred one thousand, one hundred three".