1011220313213 has 16 divisors (see below), whose sum is σ = 1104739606656. Its totient is φ = 917966495040.

The previous prime is 1011220313197. The next prime is 1011220313249. The reversal of 1011220313213 is 3123130221101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1011220313213 - 2⁴ = 1011220313197 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 (1011220313273) 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, 88830320 + ... + 88841702.

It is an arithmetic number, because the mean of its divisors is an integer number (69046225416).

Almost surely, 2^{1011220313213} is an apocalyptic number.

It is an amenable number.

1011220313213 is a deficient number, since it is larger than the sum of its proper divisors (93519293443).

1011220313213 is a wasteful number, since it uses less digits than its factorization.

1011220313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22324.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1011220313213 its reverse (3123130221101), we get a palindrome (4134350534314).

The spelling of 1011220313213 in words is "one trillion, eleven billion, two hundred twenty million, three hundred thirteen thousand, two hundred thirteen".