10022112002221 has 4 divisors (see below), whose sum is σ = 10933213093344. Its totient is φ = 9111010911100.

The previous prime is 10022112002219. The next prime is 10022112002249. The reversal of 10022112002221 is 12220021122001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10022112002221 - 2¹ = 10022112002219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022112002195 and 10022112002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022112002821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455550545545 + ... + 455550545566.

It is an arithmetic number, because the mean of its divisors is an integer number (2733303273336).

Almost surely, 2^{10022112002221} is an apocalyptic number.

10022112002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10022112002221 is a deficient number, since it is larger than the sum of its proper divisors (911101091123).

10022112002221 is an equidigital number, since it uses as much as digits as its factorization.

10022112002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911101091122.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10022112002221 its reverse (12220021122001), we get a palindrome (22242133124222).

The spelling of 10022112002221 in words is "ten trillion, twenty-two billion, one hundred twelve million, two thousand, two hundred twenty-one".