101212122011101 has 4 divisors (see below), whose sum is σ = 101665988029312. Its totient is φ = 100758255992892.

The previous prime is 101212122011093. The next prime is 101212122011107. The reversal of 101212122011101 is 101110221212101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101212122011101 - 2³ = 101212122011093 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 (101212122011107) 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, 226933008771 + ... + 226933009216.

It is an arithmetic number, because the mean of its divisors is an integer number (25416497007328).

Almost surely, 2^{101212122011101} is an apocalyptic number.

It is an amenable number.

101212122011101 is a deficient number, since it is larger than the sum of its proper divisors (453866018211).

101212122011101 is an equidigital number, since it uses as much as digits as its factorization.

101212122011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453866018210.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 101212122011101 its reverse (101110221212101), we get a palindrome (202322343223202).

The spelling of 101212122011101 in words is "one hundred one trillion, two hundred twelve billion, one hundred twenty-two million, eleven thousand, one hundred one".