122002100211111 has 16 divisors (see below), whose sum is σ = 162820905567840. Its totient is φ = 81259025759360.

The previous prime is 122002100211091. The next prime is 122002100211127. The reversal of 122002100211111 is 111112001200221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122002100211111 - 2⁷ = 122002100210983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002100211311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40835785 + ... + 43721453.

It is an arithmetic number, because the mean of its divisors is an integer number (10176306597990).

Almost surely, 2^{122002100211111} is an apocalyptic number.

122002100211111 is a deficient number, since it is larger than the sum of its proper divisors (40818805356729).

122002100211111 is a wasteful number, since it uses less digits than its factorization.

122002100211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898786.

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

Adding to 122002100211111 its reverse (111112001200221), we get a palindrome (233114101411332).

The spelling of 122002100211111 in words is "one hundred twenty-two trillion, two billion, one hundred million, two hundred eleven thousand, one hundred eleven".