100012111011211 has 32 divisors (see below), whose sum is σ = 115835992538112. Its totient is φ = 84578952314880.

The previous prime is 100012111011193. The next prime is 100012111011257. The reversal of 100012111011211 is 112110111210001.

It is a cyclic number.

It is not a de Polignac number, because 100012111011211 - 2¹³ = 100012111003019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100012111011191 and 100012111011200.

It is not an unprimeable number, because it can be changed into a prime (100012111011271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1247507050 + ... + 1247587216.

It is an arithmetic number, because the mean of its divisors is an integer number (3619874766816).

Almost surely, 2^{100012111011211} is an apocalyptic number.

100012111011211 is a deficient number, since it is larger than the sum of its proper divisors (15823881526901).

100012111011211 is a wasteful number, since it uses less digits than its factorization.

100012111011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87019.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 100012111011211 its reverse (112110111210001), we get a palindrome (212122222221212).

The spelling of 100012111011211 in words is "one hundred trillion, twelve billion, one hundred eleven million, eleven thousand, two hundred eleven".