122200421100203 has 16 divisors (see below), whose sum is σ = 128789217390240. Its totient is φ = 115627424832000.

The previous prime is 122200421100179. The next prime is 122200421100217. The reversal of 122200421100203 is 302001124002221.

It is a cyclic number.

It is not a de Polignac number, because 122200421100203 - 2¹⁶ = 122200421034667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122200421100293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53615753 + ... + 55848453.

It is an arithmetic number, because the mean of its divisors is an integer number (8049326086890).

Almost surely, 2^{122200421100203} is an apocalyptic number.

122200421100203 is a deficient number, since it is larger than the sum of its proper divisors (6588796290037).

122200421100203 is a wasteful number, since it uses less digits than its factorization.

122200421100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236238.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122200421100203 its reverse (302001124002221), we get a palindrome (424201545102424).

The spelling of 122200421100203 in words is "one hundred twenty-two trillion, two hundred billion, four hundred twenty-one million, one hundred thousand, two hundred three".