211211102200101 has 16 divisors (see below), whose sum is σ = 284054242929600. Its totient is φ = 139590463045248.

The previous prime is 211211102200099. The next prime is 211211102200117. The reversal of 211211102200101 is 101002201112112.

It is a happy number.

It is not a de Polignac number, because 211211102200101 - 2¹ = 211211102200099 is a prime.

It is a super-2 number, since 2×211211102200101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211211102200151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347392906 + ... + 348000363.

It is an arithmetic number, because the mean of its divisors is an integer number (17753390183100).

Almost surely, 2^{211211102200101} is an apocalyptic number.

It is an amenable number.

211211102200101 is a deficient number, since it is larger than the sum of its proper divisors (72843140729499).

211211102200101 is a wasteful number, since it uses less digits than its factorization.

211211102200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695394148.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211211102200101 its reverse (101002201112112), we get a palindrome (312213303312213).

The spelling of 211211102200101 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred two million, two hundred thousand, one hundred one".