10020002222221 has 8 divisors (see below), whose sum is σ = 10233250982784. Its totient is φ = 9806755846080.

The previous prime is 10020002222179. The next prime is 10020002222231. The reversal of 10020002222221 is 12222220002001.

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 10020002222221 - 2¹⁹ = 10020001697933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020002222195 and 10020002222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020002222231) 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, 9810741 + ... + 10783813.

It is an arithmetic number, because the mean of its divisors is an integer number (1279156372848).

Almost surely, 2^{10020002222221} is an apocalyptic number.

It is an amenable number.

10020002222221 is a deficient number, since it is larger than the sum of its proper divisors (213248760563).

10020002222221 is an equidigital number, since it uses as much as digits as its factorization.

10020002222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192211.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10020002222221 its reverse (12222220002001), we get a palindrome (22242222224222).

The spelling of 10020002222221 in words is "ten trillion, twenty billion, two million, two hundred twenty-two thousand, two hundred twenty-one".