102011101212111 has 16 divisors (see below), whose sum is σ = 167402832758784. Its totient is φ = 53808053386464.

The previous prime is 102011101212067. The next prime is 102011101212113. The reversal of 102011101212111 is 111212101110201.

It is not a de Polignac number, because 102011101212111 - 2¹⁵ = 102011101179343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011101212113) 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, 186833518431 + ... + 186833518976.

It is an arithmetic number, because the mean of its divisors is an integer number (10462677047424).

Almost surely, 2^{102011101212111} is an apocalyptic number.

102011101212111 is a deficient number, since it is larger than the sum of its proper divisors (65391731546673).

102011101212111 is a wasteful number, since it uses less digits than its factorization.

102011101212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373667037430.

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

Adding to 102011101212111 its reverse (111212101110201), we get a palindrome (213223202322312).

The spelling of 102011101212111 in words is "one hundred two trillion, eleven billion, one hundred one million, two hundred twelve thousand, one hundred eleven".