2113031011021 has 8 divisors (see below), whose sum is σ = 2414951884800. Its totient is φ = 1811124962448.

The previous prime is 2113031011001. The next prime is 2113031011027. The reversal of 2113031011021 is 1201101303112.

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 2113031011021 - 2¹⁹ = 2113030486733 is a prime.

It is a super-3 number, since 3×2113031011021³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2113031010986 and 2113031011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113031011027) 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, 3399181 + ... + 3972466.

It is an arithmetic number, because the mean of its divisors is an integer number (301868985600).

Almost surely, 2^{2113031011021} is an apocalyptic number.

It is an amenable number.

2113031011021 is a deficient number, since it is larger than the sum of its proper divisors (301920873779).

2113031011021 is an equidigital number, since it uses as much as digits as its factorization.

2113031011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7412603.

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

Adding to 2113031011021 its reverse (1201101303112), we get a palindrome (3314132314133).

The spelling of 2113031011021 in words is "two trillion, one hundred thirteen billion, thirty-one million, eleven thousand, twenty-one".