101010011211211 has 2 divisors, whose sum is σ = 101010011211212. Its totient is φ = 101010011211210.

The previous prime is 101010011211199. The next prime is 101010011211233. The reversal of 101010011211211 is 112112110010101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101010011211211 - 2¹⁵ = 101010011178443 is a prime.

It is a super-2 number, since 2×101010011211211² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101010011211191 and 101010011211200.

It is not a weakly prime, because it can be changed into another prime (101010011211311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505005605605 + 50505005605606.

It is an arithmetic number, because the mean of its divisors is an integer number (50505005605606).

Almost surely, 2^{101010011211211} is an apocalyptic number.

101010011211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010011211211 is an equidigital number, since it uses as much as digits as its factorization.

101010011211211 is an evil number, because the sum of its binary digits is even.

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

Adding to 101010011211211 its reverse (112112110010101), we get a palindrome (213122121221312).

The spelling of 101010011211211 in words is "one hundred one trillion, ten billion, eleven million, two hundred eleven thousand, two hundred eleven".