101023212111 has 4 divisors (see below), whose sum is σ = 134697616152. Its totient is φ = 67348808072.

The previous prime is 101023212109. The next prime is 101023212137. The reversal of 101023212111 is 111212320101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101023212111 - 2¹ = 101023212109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101023210111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16837202016 + ... + 16837202021.

It is an arithmetic number, because the mean of its divisors is an integer number (33674404038).

Almost surely, 2^101023212111 is an apocalyptic number.

101023212111 is a deficient number, since it is larger than the sum of its proper divisors (33674404041).

101023212111 is an equidigital number, since it uses as much as digits as its factorization.

101023212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33674404040.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101023212111 its reverse (111212320101), we get a palindrome (212235532212).

The spelling of 101023212111 in words is "one hundred one billion, twenty-three million, two hundred twelve thousand, one hundred eleven".