101111212012211 has 2 divisors, whose sum is σ = 101111212012212. Its totient is φ = 101111212012210.

The previous prime is 101111212012207. The next prime is 101111212012229. The reversal of 101111212012211 is 112210212111101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101111212012211 - 2² = 101111212012207 is a prime.

It is a super-2 number, since 2×101111212012211² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101111212012211.

It is not a weakly prime, because it can be changed into another prime (101111212012231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555606006105 + 50555606006106.

It is an arithmetic number, because the mean of its divisors is an integer number (50555606006106).

Almost surely, 2^{101111212012211} is an apocalyptic number.

101111212012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111212012211 is an equidigital number, since it uses as much as digits as its factorization.

101111212012211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 101111212012211 its reverse (112210212111101), we get a palindrome (213321424123312).

The spelling of 101111212012211 in words is "one hundred one trillion, one hundred eleven billion, two hundred twelve million, twelve thousand, two hundred eleven".