101212000101111 has 4 divisors (see below), whose sum is σ = 134949333468152. Its totient is φ = 67474666734072.

The previous prime is 101212000101109. The next prime is 101212000101137. The reversal of 101212000101111 is 111101000212101.

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

It is not a de Polignac number, because 101212000101111 - 2¹ = 101212000101109 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 (101212000101101) 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, 16868666683516 + ... + 16868666683521.

It is an arithmetic number, because the mean of its divisors is an integer number (33737333367038).

Almost surely, 2^{101212000101111} is an apocalyptic number.

101212000101111 is a deficient number, since it is larger than the sum of its proper divisors (33737333367041).

101212000101111 is an equidigital number, since it uses as much as digits as its factorization.

101212000101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33737333367040.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101212000101111 its reverse (111101000212101), we get a palindrome (212313000313212).

The spelling of 101212000101111 in words is "one hundred one trillion, two hundred twelve billion, one hundred one thousand, one hundred eleven".