100011020111 has 16 divisors (see below), whose sum is σ = 108393699744. Its totient is φ = 91907579904.

The previous prime is 100011020099. The next prime is 100011020273. The reversal of 100011020111 is 111020110001.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011020111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011020411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2271341 + ... + 2314953.

It is an arithmetic number, because the mean of its divisors is an integer number (6774606234).

Almost surely, 2^100011020111 is an apocalyptic number.

100011020111 is a deficient number, since it is larger than the sum of its proper divisors (8382679633).

100011020111 is a wasteful number, since it uses less digits than its factorization.

100011020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46810.

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

Adding to 100011020111 its reverse (111020110001), we get a palindrome (211031130112).

The spelling of 100011020111 in words is "one hundred billion, eleven million, twenty thousand, one hundred eleven".