1102012013 has 4 divisors (see below), whose sum is σ = 1102078560. Its totient is φ = 1101945468.

The previous prime is 1102012003. The next prime is 1102012039. The reversal of 1102012013 is 3102102011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3102102011 = 4423 ⋅701357.

It is a cyclic number.

It is not a de Polignac number, because 1102012013 - 2¹⁰ = 1102010989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102011985 and 1102012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102012003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13256 + ... + 48782.

It is an arithmetic number, because the mean of its divisors is an integer number (275519640).

Almost surely, 2^1102012013 is an apocalyptic number.

It is an amenable number.

1102012013 is a deficient number, since it is larger than the sum of its proper divisors (66547).

1102012013 is an equidigital number, since it uses as much as digits as its factorization.

1102012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66546.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1102012013 is about 33196.5662832769. The cubic root of 1102012013 is about 1032.9091142358.

Adding to 1102012013 its reverse (3102102011), we get a palindrome (4204114024).

The spelling of 1102012013 in words is "one billion, one hundred two million, twelve thousand, thirteen".