1013221123199 has 16 divisors (see below), whose sum is σ = 1078760389824. Its totient is φ = 949524576000.

The previous prime is 1013221123181. The next prime is 1013221123237. The reversal of 1013221123199 is 9913211223101.

It is a cyclic number.

It is not a de Polignac number, because 1013221123199 - 2¹² = 1013221119103 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 (1013221123799) 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, 261659 + ... + 1447379.

It is an arithmetic number, because the mean of its divisors is an integer number (67422524364).

Almost surely, 2^{1013221123199} is an apocalyptic number.

1013221123199 is a deficient number, since it is larger than the sum of its proper divisors (65539266625).

1013221123199 is a wasteful number, since it uses less digits than its factorization.

1013221123199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186498.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 1013221123199 in words is "one trillion, thirteen billion, two hundred twenty-one million, one hundred twenty-three thousand, one hundred ninety-nine".