1223121003301 has 4 divisors (see below), whose sum is σ = 1239876085612. Its totient is φ = 1206365920992.

The previous prime is 1223121003283. The next prime is 1223121003337. The reversal of 1223121003301 is 1033001213221.

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 967488632100 + 255632371201 = 983610^2 + 505601^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223121003301 - 2¹¹ = 1223121001253 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 (1223121003361) 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, 8377541046 + ... + 8377541191.

It is an arithmetic number, because the mean of its divisors is an integer number (309969021403).

Almost surely, 2^{1223121003301} is an apocalyptic number.

It is an amenable number.

1223121003301 is a deficient number, since it is larger than the sum of its proper divisors (16755082311).

1223121003301 is an equidigital number, since it uses as much as digits as its factorization.

1223121003301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16755082310.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1223121003301 its reverse (1033001213221), we get a palindrome (2256122216522).

The spelling of 1223121003301 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-one million, three thousand, three hundred one".