1223221203101 has 8 divisors (see below), whose sum is σ = 1241171168640. Its totient is φ = 1205303494752.

The previous prime is 1223221203067. The next prime is 1223221203103. The reversal of 1223221203101 is 1013021223221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223221203101 - 2³⁰ = 1222147461277 is a prime.

It is a super-2 number, since 2×1223221203101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223221203103) 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, 7987895 + ... + 8139588.

It is an arithmetic number, because the mean of its divisors is an integer number (155146396080).

Almost surely, 2^{1223221203101} is an apocalyptic number.

It is an amenable number.

1223221203101 is a deficient number, since it is larger than the sum of its proper divisors (17949965539).

1223221203101 is a wasteful number, since it uses less digits than its factorization.

1223221203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16128595.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1223221203101 its reverse (1013021223221), we get a palindrome (2236242426322).

The spelling of 1223221203101 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-one million, two hundred three thousand, one hundred one".