1000021222113 has 16 divisors (see below), whose sum is σ = 1393399197696. Its totient is φ = 637321784400.

The previous prime is 1000021222111. The next prime is 1000021222117. The reversal of 1000021222113 is 3112221200001.

It is not a de Polignac number, because 1000021222113 - 2¹ = 1000021222111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000021222092 and 1000021222101.

It is not an unprimeable number, because it can be changed into a prime (1000021222111) 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, 82463113 + ... + 82475238.

It is an arithmetic number, because the mean of its divisors is an integer number (87087449856).

Almost surely, 2^{1000021222113} is an apocalyptic number.

It is an amenable number.

1000021222113 is a deficient number, since it is larger than the sum of its proper divisors (393377975583).

1000021222113 is a wasteful number, since it uses less digits than its factorization.

1000021222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164938444.

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

Adding to 1000021222113 its reverse (3112221200001), we get a palindrome (4112242422114).

The spelling of 1000021222113 in words is "one trillion, twenty-one million, two hundred twenty-two thousand, one hundred thirteen".