1012122101113 has 4 divisors (see below), whose sum is σ = 1012291160400. Its totient is φ = 1011953041828.

The previous prime is 1012122101087. The next prime is 1012122101167. The reversal of 1012122101113 is 3111012212101.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012122101113 is a prime.

It is a super-2 number, since 2×1012122101113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012122101183) 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, 84520663 + ... + 84532636.

It is an arithmetic number, because the mean of its divisors is an integer number (253072790100).

Almost surely, 2^{1012122101113} is an apocalyptic number.

It is an amenable number.

1012122101113 is a deficient number, since it is larger than the sum of its proper divisors (169059287).

1012122101113 is an equidigital number, since it uses as much as digits as its factorization.

1012122101113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169059286.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1012122101113 its reverse (3111012212101), we get a palindrome (4123134313214).

The spelling of 1012122101113 in words is "one trillion, twelve billion, one hundred twenty-two million, one hundred one thousand, one hundred thirteen".