106214231261 has 4 divisors (see below), whose sum is σ = 106215281724. Its totient is φ = 106213180800.

The previous prime is 106214231257. The next prime is 106214231351. The reversal of 106214231261 is 162132412601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6977260900 + 99236970361 = 83530^2 + 315019^2 .

It is a cyclic number.

It is not a de Polignac number, because 106214231261 - 2² = 106214231257 is a prime.

It is a super-2 number, since 2×106214231261² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106214231231) 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, 355220 + ... + 581901.

It is an arithmetic number, because the mean of its divisors is an integer number (26553820431).

Almost surely, 2^106214231261 is an apocalyptic number.

It is an amenable number.

106214231261 is a deficient number, since it is larger than the sum of its proper divisors (1050463).

106214231261 is an equidigital number, since it uses as much as digits as its factorization.

106214231261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050462.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 106214231261 its reverse (162132412601), we get a palindrome (268346643862).

The spelling of 106214231261 in words is "one hundred six billion, two hundred fourteen million, two hundred thirty-one thousand, two hundred sixty-one".