211201010101122 has 16 divisors (see below), whose sum is σ = 429326643484992. Its totient is φ = 69246232819920.

The previous prime is 211201010101079. The next prime is 211201010101189. The reversal of 211201010101122 is 221101010102112.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 288525969718 + ... + 288525970449.

It is an arithmetic number, because the mean of its divisors is an integer number (26832915217812).

Almost surely, 2^{211201010101122} is an apocalyptic number.

211201010101122 is an abundant number, since it is smaller than the sum of its proper divisors (218125633383870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211201010101122 is a wasteful number, since it uses less digits than its factorization.

211201010101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577051940233.

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

Adding to 211201010101122 its reverse (221101010102112), we get a palindrome (432302020203234).

The spelling of 211201010101122 in words is "two hundred eleven trillion, two hundred one billion, ten million, one hundred one thousand, one hundred twenty-two".