1012020111103 has 8 divisors (see below), whose sum is σ = 1035791170128. Its totient is φ = 988259766144.

The previous prime is 1012020111043. The next prime is 1012020111127. The reversal of 1012020111103 is 3011110202101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012020111103 - 2³⁷ = 874581157631 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 (1012020181103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2487226 + ... + 2865367.

It is an arithmetic number, because the mean of its divisors is an integer number (129473896266).

Almost surely, 2^{1012020111103} is an apocalyptic number.

1012020111103 is a deficient number, since it is larger than the sum of its proper divisors (23771059025).

1012020111103 is an equidigital number, since it uses as much as digits as its factorization.

1012020111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357033.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1012020111103 its reverse (3011110202101), we get a palindrome (4023130313204).

The spelling of 1012020111103 in words is "one trillion, twelve billion, twenty million, one hundred eleven thousand, one hundred three".