211121212211102 has 16 divisors (see below), whose sum is σ = 318702868250640. Its totient is φ = 104886939538368.

The previous prime is 211121212211083. The next prime is 211121212211111. The reversal of 211121212211102 is 201112212121112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21319049 + ... + 29609867.

It is an arithmetic number, because the mean of its divisors is an integer number (19918929265665).

Almost surely, 2^{211121212211102} is an apocalyptic number.

211121212211102 is a deficient number, since it is larger than the sum of its proper divisors (107581656039538).

211121212211102 is a wasteful number, since it uses less digits than its factorization.

211121212211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372075.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 211121212211102 its reverse (201112212121112), we get a palindrome (412233424332214).

The spelling of 211121212211102 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred twelve million, two hundred eleven thousand, one hundred two".