101212012010111 has 32 divisors (see below), whose sum is σ = 105025782576000. Its totient is φ = 97420492689408.

The previous prime is 101212012010071. The next prime is 101212012010191. The reversal of 101212012010111 is 111010210212101.

It is a cyclic number.

It is not a de Polignac number, because 101212012010111 - 2³⁰ = 101210938268287 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 (101212012010191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50783748131 + ... + 50783750123.

It is an arithmetic number, because the mean of its divisors is an integer number (3282055705500).

Almost surely, 2^{101212012010111} is an apocalyptic number.

101212012010111 is a deficient number, since it is larger than the sum of its proper divisors (3813770565889).

101212012010111 is a wasteful number, since it uses less digits than its factorization.

101212012010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763.

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

Adding to 101212012010111 its reverse (111010210212101), we get a palindrome (212222222222212).

The spelling of 101212012010111 in words is "one hundred one trillion, two hundred twelve billion, twelve million, ten thousand, one hundred eleven".