1000021222213 has 8 divisors (see below), whose sum is σ = 1076954170208. Its totient is φ = 923089451184.

The previous prime is 1000021222201. The next prime is 1000021222231. The reversal of 1000021222213 is 3122221200001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000021222213 - 2³⁷ = 862582268741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000021222253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2351806 + ... + 2744272.

It is an arithmetic number, because the mean of its divisors is an integer number (134619271276).

Almost surely, 2^{1000021222213} is an apocalyptic number.

1000021222213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1000021222213 is a deficient number, since it is larger than the sum of its proper divisors (76932947995).

1000021222213 is a wasteful number, since it uses less digits than its factorization.

1000021222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588483.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1000021222213 its reverse (3122221200001), we get a palindrome (4122242422214).

The spelling of 1000021222213 in words is "one trillion, twenty-one million, two hundred twenty-two thousand, two hundred thirteen".