2011030313021 has 4 divisors (see below), whose sum is σ = 2011034096544. Its totient is φ = 2011026529500.

The previous prime is 2011030312997. The next prime is 2011030313057. The reversal of 2011030313021 is 1203130301102.

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 2011030313021 - 2¹⁸ = 2011030050877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011030318021) 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, 932255 + ... + 2211596.

It is an arithmetic number, because the mean of its divisors is an integer number (502758524136).

Almost surely, 2^{2011030313021} is an apocalyptic number.

It is an amenable number.

2011030313021 is a deficient number, since it is larger than the sum of its proper divisors (3783523).

2011030313021 is an equidigital number, since it uses as much as digits as its factorization.

2011030313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783522.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2011030313021 its reverse (1203130301102), we get a palindrome (3214160614123).

The spelling of 2011030313021 in words is "two trillion, eleven billion, thirty million, three hundred thirteen thousand, twenty-one".