101020012112111 has 8 divisors (see below), whose sum is σ = 105452839212000. Its totient is φ = 96590572733952.

The previous prime is 101020012112077. The next prime is 101020012112113. The reversal of 101020012112111 is 111211210020101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101020012112111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020012112113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846869486 + ... + 846988763.

It is an arithmetic number, because the mean of its divisors is an integer number (13181604901500).

Almost surely, 2^{101020012112111} is an apocalyptic number.

101020012112111 is a deficient number, since it is larger than the sum of its proper divisors (4432827099889).

101020012112111 is a wasteful number, since it uses less digits than its factorization.

101020012112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693860865.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101020012112111 its reverse (111211210020101), we get a palindrome (212231222132212).

The spelling of 101020012112111 in words is "one hundred one trillion, twenty billion, twelve million, one hundred twelve thousand, one hundred eleven".