2231673225021 has 12 divisors (see below), whose sum is σ = 3292113694272. Its totient is φ = 1456127210376.

The previous prime is 2231673225017. The next prime is 2231673225071. The reversal of 2231673225021 is 1205223761322.

2231673225021 is a `hidden beast` number, since 2 + 2 + 316 + 73 + 2 + 250 + 21 = 666.

It is not a de Polignac number, because 2231673225021 - 2² = 2231673225017 is a prime.

It is a super-3 number, since 3×2231673225021³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231673225071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2637911191 + ... + 2637912036.

It is an arithmetic number, because the mean of its divisors is an integer number (274342807856).

Almost surely, 2^{2231673225021} is an apocalyptic number.

It is an amenable number.

2231673225021 is a deficient number, since it is larger than the sum of its proper divisors (1060440469251).

2231673225021 is a wasteful number, since it uses less digits than its factorization.

2231673225021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275823280 (or 5275823277 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 2231673225021 its reverse (1205223761322), we get a palindrome (3436896986343).

The spelling of 2231673225021 in words is "two trillion, two hundred thirty-one billion, six hundred seventy-three million, two hundred twenty-five thousand, twenty-one".