211211102101011 has 32 divisors (see below), whose sum is σ = 296248020874560. Its totient is φ = 133666621046784.

The previous prime is 211211102101009. The next prime is 211211102101091. The reversal of 211211102101011 is 110101201112112.

It is not a de Polignac number, because 211211102101011 - 2¹ = 211211102101009 is a prime.

It is a super-2 number, since 2×211211102101011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211211102101091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50441550 + ... + 54468083.

It is an arithmetic number, because the mean of its divisors is an integer number (9257750652330).

Almost surely, 2^{211211102101011} is an apocalyptic number.

211211102101011 is a deficient number, since it is larger than the sum of its proper divisors (85036918773549).

211211102101011 is a wasteful number, since it uses less digits than its factorization.

211211102101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104910055.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 211211102101011 its reverse (110101201112112), we get a palindrome (321312303213123).

The spelling of 211211102101011 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred two million, one hundred one thousand, eleven".