10001010021222 has 96 divisors (see below), whose sum is σ = 22062612023424. Its totient is φ = 3020012012160.

The previous prime is 10001010021209. The next prime is 10001010021239. The reversal of 10001010021222 is 22212001010001.

It is a junction number, because it is equal to n+sod(n) for n = 10001010021198 and 10001010021207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1373195593 + ... + 1373202875.

It is an arithmetic number, because the mean of its divisors is an integer number (229818875244).

Almost surely, 2^{10001010021222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10001010021222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11031306011712).

10001010021222 is an abundant number, since it is smaller than the sum of its proper divisors (12061602002202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001010021222 is a wasteful number, since it uses less digits than its factorization.

10001010021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13666 (or 13655 counting only the distinct ones).

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

Adding to 10001010021222 its reverse (22212001010001), we get a palindrome (32213011031223).

The spelling of 10001010021222 in words is "ten trillion, one billion, ten million, twenty-one thousand, two hundred twenty-two".