101243205212111 has 8 divisors (see below), whose sum is σ = 101923383423600. Its totient is φ = 100563036249088.

The previous prime is 101243205212101. The next prime is 101243205212147. The reversal of 101243205212111 is 111212502342101.

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

It is a cyclic number.

It is not a de Polignac number, because 101243205212111 - 2⁶ = 101243205212047 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 (101243205212101) 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, 20402540 + ... + 24874686.

It is an arithmetic number, because the mean of its divisors is an integer number (12740422927950).

Almost surely, 2^{101243205212111} is an apocalyptic number.

101243205212111 is a deficient number, since it is larger than the sum of its proper divisors (680178211489).

101243205212111 is a wasteful number, since it uses less digits than its factorization.

101243205212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624233.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 101243205212111 its reverse (111212502342101), we get a palindrome (212455707554212).

The spelling of 101243205212111 in words is "one hundred one trillion, two hundred forty-three billion, two hundred five million, two hundred twelve thousand, one hundred eleven".