211101220002122 has 16 divisors (see below), whose sum is σ = 326923922234112. Its totient is φ = 102127777529760.

The previous prime is 211101220002083. The next prime is 211101220002131. The reversal of 211101220002122 is 221200022101112.

It is a self number, because there is not a number n which added to its sum of digits gives 211101220002122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299212883 + ... + 299917574.

It is an arithmetic number, because the mean of its divisors is an integer number (20432745139632).

Almost surely, 2^{211101220002122} is an apocalyptic number.

211101220002122 is a deficient number, since it is larger than the sum of its proper divisors (115822702231990).

211101220002122 is a wasteful number, since it uses less digits than its factorization.

211101220002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599136173.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211101220002122 its reverse (221200022101112), we get a palindrome (432301242103234).

The spelling of 211101220002122 in words is "two hundred eleven trillion, one hundred one billion, two hundred twenty million, two thousand, one hundred twenty-two".