1203122222201 has 4 divisors (see below), whose sum is σ = 1203579164532. Its totient is φ = 1202665279872.

The previous prime is 1203122222179. The next prime is 1203122222213. The reversal of 1203122222201 is 1022222213021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 96310915600 + 1106811306601 = 310340^2 + 1052051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203122222201 - 2³⁴ = 1185942353017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203122222261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228467216 + ... + 228472481.

It is an arithmetic number, because the mean of its divisors is an integer number (300894791133).

Almost surely, 2^{1203122222201} is an apocalyptic number.

It is an amenable number.

1203122222201 is a deficient number, since it is larger than the sum of its proper divisors (456942331).

1203122222201 is an equidigital number, since it uses as much as digits as its factorization.

1203122222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456942330.

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

Adding to 1203122222201 its reverse (1022222213021), we get a palindrome (2225344435222).

The spelling of 1203122222201 in words is "one trillion, two hundred three billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred one".