102111211120011 has 32 divisors (see below), whose sum is σ = 139950499917888. Its totient is φ = 66176278179840.

The previous prime is 102111211119991. The next prime is 102111211120033. The reversal of 102111211120011 is 110021112111201.

It is not a de Polignac number, because 102111211120011 - 2⁶ = 102111211119947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102111211120811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 691675641 + ... + 691823253.

It is an arithmetic number, because the mean of its divisors is an integer number (4373453122434).

Almost surely, 2^{102111211120011} is an apocalyptic number.

102111211120011 is a deficient number, since it is larger than the sum of its proper divisors (37839288797877).

102111211120011 is a wasteful number, since it uses less digits than its factorization.

102111211120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153071.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102111211120011 its reverse (110021112111201), we get a palindrome (212132323231212).

The spelling of 102111211120011 in words is "one hundred two trillion, one hundred eleven billion, two hundred eleven million, one hundred twenty thousand, eleven".