2231000301021 has 32 divisors (see below), whose sum is σ = 3127047856128. Its totient is φ = 1413418466880.

The previous prime is 2231000300929. The next prime is 2231000301029. The reversal of 2231000301021 is 1201030001322.

It is not a de Polignac number, because 2231000301021 - 2¹⁸ = 2231000038877 is a prime.

It is a super-3 number, since 3×2231000301021³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231000301029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479565 + ... + 2166098.

It is an arithmetic number, because the mean of its divisors is an integer number (97720245504).

Almost surely, 2^{2231000301021} is an apocalyptic number.

It is an amenable number.

2231000301021 is a deficient number, since it is larger than the sum of its proper divisors (896047555107).

2231000301021 is a wasteful number, since it uses less digits than its factorization.

2231000301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645881.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2231000301021 its reverse (1201030001322), we get a palindrome (3432030302343).

The spelling of 2231000301021 in words is "two trillion, two hundred thirty-one billion, three hundred one thousand, twenty-one".