100102021111 has 4 divisors (see below), whose sum is σ = 105990375312. Its totient is φ = 94213666912.

The previous prime is 100102021067. The next prime is 100102021121. The reversal of 100102021111 is 111120201001.

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

It is a cyclic number.

It is not a de Polignac number, because 100102021111 - 2¹¹ = 100102019063 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 (100102021121) 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, 2944177075 + ... + 2944177108.

It is an arithmetic number, because the mean of its divisors is an integer number (26497593828).

Almost surely, 2^100102021111 is an apocalyptic number.

100102021111 is a deficient number, since it is larger than the sum of its proper divisors (5888354201).

100102021111 is an equidigital number, since it uses as much as digits as its factorization.

100102021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888354200.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100102021111 its reverse (111120201001), we get a palindrome (211222222112).

The spelling of 100102021111 in words is "one hundred billion, one hundred two million, twenty-one thousand, one hundred eleven".