1113020110021 has 4 divisors (see below), whose sum is σ = 1123422167232. Its totient is φ = 1102618052812.

The previous prime is 1113020110003. The next prime is 1113020110061. The reversal of 1113020110021 is 1200110203111.

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 not a de Polignac number, because 1113020110021 - 2¹⁷ = 1113019978949 is a prime.

It is a super-2 number, since 2×1113020110021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113020109983 and 1113020110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113020110061) 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, 5201028445 + ... + 5201028658.

It is an arithmetic number, because the mean of its divisors is an integer number (280855541808).

Almost surely, 2^{1113020110021} is an apocalyptic number.

It is an amenable number.

1113020110021 is a deficient number, since it is larger than the sum of its proper divisors (10402057211).

1113020110021 is a wasteful number, since it uses less digits than its factorization.

1113020110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402057210.

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

Adding to 1113020110021 its reverse (1200110203111), we get a palindrome (2313130313132).

The spelling of 1113020110021 in words is "one trillion, one hundred thirteen billion, twenty million, one hundred ten thousand, twenty-one".