211211101102 has 4 divisors (see below), whose sum is σ = 316816651656. Its totient is φ = 105605550550.

The previous prime is 211211101099. The next prime is 211211101109. The reversal of 211211101102 is 201101112112.

It is a happy number.

211211101102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×211211101102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211211101109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52802775274 + ... + 52802775277.

It is an arithmetic number, because the mean of its divisors is an integer number (79204162914).

Almost surely, 2^211211101102 is an apocalyptic number.

211211101102 is a deficient number, since it is larger than the sum of its proper divisors (105605550554).

211211101102 is a wasteful number, since it uses less digits than its factorization.

211211101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105605550553.

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

Adding to 211211101102 its reverse (201101112112), we get a palindrome (412312213214).

The spelling of 211211101102 in words is "two hundred eleven billion, two hundred eleven million, one hundred one thousand, one hundred two".