122100201012211 has 4 divisors (see below), whose sum is σ = 122129772389800. Its totient is φ = 122070629634624.

The previous prime is 122100201012109. The next prime is 122100201012271. The reversal of 122100201012211 is 112210102001221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122100201012211 is a prime.

It is a super-2 number, since 2×122100201012211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122100201012271) 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 3 ways as a sum of consecutive naturals, for example, 14785682601 + ... + 14785690858.

It is an arithmetic number, because the mean of its divisors is an integer number (30532443097450).

Almost surely, 2^{122100201012211} is an apocalyptic number.

122100201012211 is a deficient number, since it is larger than the sum of its proper divisors (29571377589).

122100201012211 is an equidigital number, since it uses as much as digits as its factorization.

122100201012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29571377588.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122100201012211 its reverse (112210102001221), we get a palindrome (234310303013432).

It can be divided in two parts, 12210020 and 1012211, that added together give a palindrome (13222231).

The spelling of 122100201012211 in words is "one hundred twenty-two trillion, one hundred billion, two hundred one million, twelve thousand, two hundred eleven".