122100112212211 has 24 divisors (see below), whose sum is σ = 145500542547696. Its totient is φ = 102103603015680.

The previous prime is 122100112212209. The next prime is 122100112212259. The reversal of 122100112212211 is 112212211001221.

It is a happy number.

It is not a de Polignac number, because 122100112212211 - 2¹ = 122100112212209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122100112212271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253570500 + ... + 254051566.

It is an arithmetic number, because the mean of its divisors is an integer number (6062522606154).

Almost surely, 2^{122100112212211} is an apocalyptic number.

122100112212211 is a deficient number, since it is larger than the sum of its proper divisors (23400430335485).

122100112212211 is a wasteful number, since it uses less digits than its factorization.

122100112212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607459 (or 607452 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122100112212211 its reverse (112212211001221), we get a palindrome (234312323213432).

The spelling of 122100112212211 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twelve million, two hundred twelve thousand, two hundred eleven".