100640233771 has 96 divisors (see below), whose sum is σ = 135320080896. Its totient is φ = 72690048000.

The previous prime is 100640233753. The next prime is 100640233783. The reversal of 100640233771 is 177332046001.

It is not a de Polignac number, because 100640233771 - 2⁵ = 100640233739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100640233171) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 417594211 + ... + 417594451.

It is an arithmetic number, because the mean of its divisors is an integer number (1409584176).

Almost surely, 2^100640233771 is an apocalyptic number.

100640233771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100640233771 is a deficient number, since it is larger than the sum of its proper divisors (34679847125).

100640233771 is a wasteful number, since it uses less digits than its factorization.

100640233771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

Adding to 100640233771 its reverse (177332046001), we get a palindrome (277972279772).

The spelling of 100640233771 in words is "one hundred billion, six hundred forty million, two hundred thirty-three thousand, seven hundred seventy-one".