101112212120111 has 16 divisors (see below), whose sum is σ = 106486207027200. Its totient is φ = 95819865612768.

The previous prime is 101112212120107. The next prime is 101112212120119. The reversal of 101112212120111 is 111021212211101.

It is a cyclic number.

It is not a de Polignac number, because 101112212120111 - 2² = 101112212120107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101112212120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112212120119) 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, 25334300 + ... + 29052558.

It is an arithmetic number, because the mean of its divisors is an integer number (6655387939200).

Almost surely, 2^{101112212120111} is an apocalyptic number.

101112212120111 is a deficient number, since it is larger than the sum of its proper divisors (5373994907089).

101112212120111 is a wasteful number, since it uses less digits than its factorization.

101112212120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729238.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 101112212120111 its reverse (111021212211101), we get a palindrome (212133424331212).

The spelling of 101112212120111 in words is "one hundred one trillion, one hundred twelve billion, two hundred twelve million, one hundred twenty thousand, one hundred eleven".