101011211010211 has 4 divisors (see below), whose sum is σ = 101011323031624. Its totient is φ = 101011098988800.

The previous prime is 101011211010197. The next prime is 101011211010239. The reversal of 101011211010211 is 112010112110101.

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 101011211010211 - 2²⁹ = 101010674139299 is a prime.

It is a super-2 number, since 2×101011211010211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101011211010191 and 101011211010200.

It is not an unprimeable number, because it can be changed into a prime (101012211010211) 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 3 ways as a sum of consecutive naturals, for example, 54647070 + ... + 56465251.

It is an arithmetic number, because the mean of its divisors is an integer number (25252830757906).

Almost surely, 2^{101011211010211} is an apocalyptic number.

101011211010211 is a deficient number, since it is larger than the sum of its proper divisors (112021413).

101011211010211 is an equidigital number, since it uses as much as digits as its factorization.

101011211010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112021412.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 101011211010211 its reverse (112010112110101), we get a palindrome (213021323120312).

The spelling of 101011211010211 in words is "one hundred one trillion, eleven billion, two hundred eleven million, ten thousand, two hundred eleven".