1113012031021 has 8 divisors (see below), whose sum is σ = 1240028878464. Its totient is φ = 990300839520.

The previous prime is 1113012030989. The next prime is 1113012031057. The reversal of 1113012031021 is 1201302103111.

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 1113012031021 - 2⁵ = 1113012030989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113012030986 and 1113012031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113012031321) 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, 1076413440 + ... + 1076414473.

It is an arithmetic number, because the mean of its divisors is an integer number (155003609808).

Almost surely, 2^{1113012031021} is an apocalyptic number.

1113012031021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113012031021 is a deficient number, since it is larger than the sum of its proper divisors (127016847443).

1113012031021 is a wasteful number, since it uses less digits than its factorization.

1113012031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152827971.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1113012031021 its reverse (1201302103111), we get a palindrome (2314314134132).

The spelling of 1113012031021 in words is "one trillion, one hundred thirteen billion, twelve million, thirty-one thousand, twenty-one".