102101101212111 has 16 divisors (see below), whose sum is σ = 139969757372928. Its totient is φ = 66162175185600.

The previous prime is 102101101212101. The next prime is 102101101212157. The reversal of 102101101212111 is 111212101101201.

It is not a de Polignac number, because 102101101212111 - 2⁵ = 102101101212079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101101212101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531498501 + ... + 1531565166.

It is an arithmetic number, because the mean of its divisors is an integer number (8748109835808).

Almost surely, 2^{102101101212111} is an apocalyptic number.

102101101212111 is a deficient number, since it is larger than the sum of its proper divisors (37868656160817).

102101101212111 is a wasteful number, since it uses less digits than its factorization.

102101101212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063063982.

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

Adding to 102101101212111 its reverse (111212101101201), we get a palindrome (213313202313312).

The spelling of 102101101212111 in words is "one hundred two trillion, one hundred one billion, one hundred one million, two hundred twelve thousand, one hundred eleven".