100211121111011 has 4 divisors (see below), whose sum is σ = 100212316218792. Its totient is φ = 100209926003232.

The previous prime is 100211121110959. The next prime is 100211121111041. The reversal of 100211121111011 is 110111121112001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100211121111011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100211121111041) 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, 597428105 + ... + 597595818.

It is an arithmetic number, because the mean of its divisors is an integer number (25053079054698).

Almost surely, 2^{100211121111011} is an apocalyptic number.

100211121111011 is a deficient number, since it is larger than the sum of its proper divisors (1195107781).

100211121111011 is an equidigital number, since it uses as much as digits as its factorization.

100211121111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195107780.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 100211121111011 its reverse (110111121112001), we get a palindrome (210322242223012).

The spelling of 100211121111011 in words is "one hundred trillion, two hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, eleven".