101212112022111 has 48 divisors (see below), whose sum is σ = 153154140624576. Its totient is φ = 64286367095808.

The previous prime is 101212112022107. The next prime is 101212112022253. The reversal of 101212112022111 is 111220211212101.

It is a happy number.

101212112022111 is a `hidden beast` number, since 101 + 212 + 1 + 120 + 221 + 11 = 666.

It is not a de Polignac number, because 101212112022111 - 2² = 101212112022107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212112062111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113153845 + ... + 114044801.

It is an arithmetic number, because the mean of its divisors is an integer number (3190711263012).

Almost surely, 2^{101212112022111} is an apocalyptic number.

101212112022111 is a deficient number, since it is larger than the sum of its proper divisors (51942028602465).

101212112022111 is a wasteful number, since it uses less digits than its factorization.

101212112022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893152 (or 893149 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 101212112022111 its reverse (111220211212101), we get a palindrome (212432323234212).

The spelling of 101212112022111 in words is "one hundred one trillion, two hundred twelve billion, one hundred twelve million, twenty-two thousand, one hundred eleven".