101351206665 has 144 divisors (see below), whose sum is σ = 193214548800. Its totient is φ = 50959269504.

The previous prime is 101351206657. The next prime is 101351206727. The reversal of 101351206665 is 566602153101.

It is not a de Polignac number, because 101351206665 - 2³ = 101351206657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 117987006 + ... + 117987864.

It is an arithmetic number, because the mean of its divisors is an integer number (1341767700).

Almost surely, 2^101351206665 is an apocalyptic number.

101351206665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101351206665 is a deficient number, since it is larger than the sum of its proper divisors (91863342135).

101351206665 is an equidigital number, since it uses as much as digits as its factorization.

101351206665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 101351206665 its reverse (566602153101), we get a palindrome (667953359766).

The spelling of 101351206665 in words is "one hundred one billion, three hundred fifty-one million, two hundred six thousand, six hundred sixty-five".