101211012211 has 2 divisors, whose sum is σ = 101211012212. Its totient is φ = 101211012210.

The previous prime is 101211012179. The next prime is 101211012229. The reversal of 101211012211 is 112210112101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101211012211 - 2⁵ = 101211012179 is a prime.

It is a super-2 number, since 2×101211012211² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101211012191 and 101211012200.

It is not a weakly prime, because it can be changed into another prime (101211019211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605506105 + 50605506106.

It is an arithmetic number, because the mean of its divisors is an integer number (50605506106).

Almost surely, 2^101211012211 is an apocalyptic number.

101211012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211012211 is an equidigital number, since it uses as much as digits as its factorization.

101211012211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101211012211 its reverse (112210112101), we get a palindrome (213421124312).

The spelling of 101211012211 in words is "one hundred one billion, two hundred eleven million, twelve thousand, two hundred eleven".