122100220133 has 8 divisors (see below), whose sum is σ = 124117335000. Its totient is φ = 120083604480.

The previous prime is 122100220117. The next prime is 122100220139. The reversal of 122100220133 is 331022001221.

It can be written as a sum of positive squares in 4 ways, for example, as 23765922244 + 98334297889 = 154162^2 + 313583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122100220133 - 2⁴ = 122100220117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100220139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385493 + ... + 626741.

It is an arithmetic number, because the mean of its divisors is an integer number (15514666875).

Almost surely, 2^122100220133 is an apocalyptic number.

It is an amenable number.

122100220133 is a deficient number, since it is larger than the sum of its proper divisors (2017114867).

122100220133 is an equidigital number, since it uses as much as digits as its factorization.

122100220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249607.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122100220133 its reverse (331022001221), we get a palindrome (453122221354).

The spelling of 122100220133 in words is "one hundred twenty-two billion, one hundred million, two hundred twenty thousand, one hundred thirty-three".