100601006651111 has 4 divisors (see below), whose sum is σ = 100652623383000. Its totient is φ = 100549389919224.

The previous prime is 100601006651069. The next prime is 100601006651113. The reversal of 100601006651111 is 111156600106001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100601006651111 is a prime.

It is a super-4 number, since 4×100601006651111⁴ (a number of 57 digits) contains 4444 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 (100601006651113) 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, 25808363021 + ... + 25808366918.

It is an arithmetic number, because the mean of its divisors is an integer number (25163155845750).

Almost surely, 2^{100601006651111} is an apocalyptic number.

100601006651111 is a deficient number, since it is larger than the sum of its proper divisors (51616731889).

100601006651111 is an equidigital number, since it uses as much as digits as its factorization.

100601006651111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51616731888.

The product of its (nonzero) digits is 1080, while the sum is 29.

Adding to 100601006651111 its reverse (111156600106001), we get a palindrome (211757606757112).

The spelling of 100601006651111 in words is "one hundred trillion, six hundred one billion, six million, six hundred fifty-one thousand, one hundred eleven".