1001020221213 has 16 divisors (see below), whose sum is σ = 1371453920256. Its totient is φ = 649140888240.

The previous prime is 1001020221211. The next prime is 1001020221233. The reversal of 1001020221213 is 3121220201001.

1001020221213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001020221213 - 2¹ = 1001020221211 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1001020221192 and 1001020221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001020221211) 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, 21754423 + ... + 21800388.

It is an arithmetic number, because the mean of its divisors is an integer number (85715870016).

Almost surely, 2^{1001020221213} is an apocalyptic number.

It is an amenable number.

1001020221213 is a deficient number, since it is larger than the sum of its proper divisors (370433699043).

1001020221213 is a wasteful number, since it uses less digits than its factorization.

1001020221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43555024.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1001020221213 its reverse (3121220201001), we get a palindrome (4122240422214).

The spelling of 1001020221213 in words is "one trillion, one billion, twenty million, two hundred twenty-one thousand, two hundred thirteen".