10021000100111 has 64 divisors (see below), whose sum is σ = 13725033154560. Its totient is φ = 7063453463040.

The previous prime is 10021000100099. The next prime is 10021000100203. The reversal of 10021000100111 is 11100100012001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10021000100111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021000100011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44398901 + ... + 44624033.

It is an arithmetic number, because the mean of its divisors is an integer number (214453643040).

Almost surely, 2^{10021000100111} is an apocalyptic number.

10021000100111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10021000100111 is a deficient number, since it is larger than the sum of its proper divisors (3704033054449).

10021000100111 is a wasteful number, since it uses less digits than its factorization.

10021000100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226056.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10021000100111 its reverse (11100100012001), we get a palindrome (21121100112112).

The spelling of 10021000100111 in words is "ten trillion, twenty-one billion, one hundred thousand, one hundred eleven".