102012211200111 has 16 divisors (see below), whose sum is σ = 136099524263424. Its totient is φ = 67966531948224.

The previous prime is 102012211200101. The next prime is 102012211200161. The reversal of 102012211200111 is 111002112210201.

It is a happy number.

It is not a de Polignac number, because 102012211200111 - 2⁹ = 102012211199599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012211200101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31210300 + ... + 34323566.

It is an arithmetic number, because the mean of its divisors is an integer number (8506220266464).

Almost surely, 2^{102012211200111} is an apocalyptic number.

102012211200111 is a deficient number, since it is larger than the sum of its proper divisors (34087313063313).

102012211200111 is a wasteful number, since it uses less digits than its factorization.

102012211200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119950.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102012211200111 its reverse (111002112210201), we get a palindrome (213014323410312).

The spelling of 102012211200111 in words is "one hundred two trillion, twelve billion, two hundred eleven million, two hundred thousand, one hundred eleven".