266010021226331 has 8 divisors (see below), whose sum is σ = 277578794691744. Its totient is φ = 254441507791680.

The previous prime is 266010021226273. The next prime is 266010021226343. The reversal of 266010021226331 is 133622120010662.

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 266010021226331 - 2⁶ = 266010021226267 is a prime.

It is a super-2 number, since 2×266010021226331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266010021226291 and 266010021226300.

It is not an unprimeable number, because it can be changed into a prime (266010021226351) 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, 62915780 + ... + 67010561.

It is an arithmetic number, because the mean of its divisors is an integer number (34697349336468).

Almost surely, 2^{266010021226331} is an apocalyptic number.

266010021226331 is a deficient number, since it is larger than the sum of its proper divisors (11568773465413).

266010021226331 is a wasteful number, since it uses less digits than its factorization.

266010021226331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130015381.

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 266010021226331 its reverse (133622120010662), we get a palindrome (399632141236993).

The spelling of 266010021226331 in words is "two hundred sixty-six trillion, ten billion, twenty-one million, two hundred twenty-six thousand, three hundred thirty-one".