1010000212221 has 96 divisors (see below), whose sum is σ = 1890141982848. Its totient is φ = 471225807360.

The previous prime is 1010000212219. The next prime is 1010000212301. The reversal of 1010000212221 is 1222120000101.

It is not a de Polignac number, because 1010000212221 - 2¹ = 1010000212219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010000212197 and 1010000212206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010000210221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 128491 + ... + 1427063.

It is an arithmetic number, because the mean of its divisors is an integer number (19688978988).

Almost surely, 2^{1010000212221} is an apocalyptic number.

1010000212221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010000212221 is a deficient number, since it is larger than the sum of its proper divisors (880141770627).

1010000212221 is a wasteful number, since it uses less digits than its factorization.

1010000212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298651 (or 1298644 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1010000212221 its reverse (1222120000101), we get a palindrome (2232120212322).

It can be divided in two parts, 1010000 and 212221, that added together give a palindrome (1222221).

The spelling of 1010000212221 in words is "one trillion, ten billion, two hundred twelve thousand, two hundred twenty-one".