1223016103221 has 24 divisors (see below), whose sum is σ = 1792473856320. Its totient is φ = 741195174720.

The previous prime is 1223016103201. The next prime is 1223016103273.

1223016103221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1223016103221 - 2¹⁴ = 1223016086837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223016103191 and 1223016103200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223016103201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15552720 + ... + 15631158.

It is an arithmetic number, because the mean of its divisors is an integer number (74686410680).

Almost surely, 2^{1223016103221} is an apocalyptic number.

1223016103221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1223016103221 is a deficient number, since it is larger than the sum of its proper divisors (569457753099).

1223016103221 is a wasteful number, since it uses less digits than its factorization.

1223016103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121417 (or 121406 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 1223016103221 in words is "one trillion, two hundred twenty-three billion, sixteen million, one hundred three thousand, two hundred twenty-one".