100010021111111 has 4 divisors (see below), whose sum is σ = 100154753414424. Its totient is φ = 99865288807800.

The previous prime is 100010021111107. The next prime is 100010021111131. The reversal of 100010021111111 is 111111120010001.

It is a happy number.

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 100010021111111 - 2² = 100010021111107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100010021111092 and 100010021111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010021111131) 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, 72366150620 + ... + 72366152001.

It is an arithmetic number, because the mean of its divisors is an integer number (25038688353606).

Almost surely, 2^{100010021111111} is an apocalyptic number.

100010021111111 is a deficient number, since it is larger than the sum of its proper divisors (144732303313).

100010021111111 is an equidigital number, since it uses as much as digits as its factorization.

100010021111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144732303312.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 100010021111111 its reverse (111111120010001), we get a palindrome (211121141121112).

The spelling of 100010021111111 in words is "one hundred trillion, ten billion, twenty-one million, one hundred eleven thousand, one hundred eleven".