1010012313221 has 16 divisors (see below), whose sum is σ = 1101639528000. Its totient is φ = 922261256448.

The previous prime is 1010012313203. The next prime is 1010012313227. The reversal of 1010012313221 is 1223132100101.

It is not a de Polignac number, because 1010012313221 - 2³⁰ = 1008938571397 is a prime.

It is a super-2 number, since 2×1010012313221² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010012313221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010012313227) 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, 4527611 + ... + 4745448.

It is an arithmetic number, because the mean of its divisors is an integer number (68852470500).

Almost surely, 2^{1010012313221} is an apocalyptic number.

It is an amenable number.

1010012313221 is a deficient number, since it is larger than the sum of its proper divisors (91627214779).

1010012313221 is a wasteful number, since it uses less digits than its factorization.

1010012313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273268.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1010012313221 its reverse (1223132100101), we get a palindrome (2233144413322).

The spelling of 1010012313221 in words is "one trillion, ten billion, twelve million, three hundred thirteen thousand, two hundred twenty-one".