10020220012221 has 8 divisors (see below), whose sum is σ = 13360308042144. Its totient is φ = 6680139328560.

The previous prime is 10020220012207. The next prime is 10020220012339. The reversal of 10020220012221 is 12221002202001.

10020220012221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10020220012221 - 2²² = 10020215817917 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10020220012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020220016221) 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, 3956626 + ... + 5974556.

It is an arithmetic number, because the mean of its divisors is an integer number (1670038505268).

Almost surely, 2^{10020220012221} is an apocalyptic number.

It is an amenable number.

10020220012221 is a deficient number, since it is larger than the sum of its proper divisors (3340088029923).

10020220012221 is a wasteful number, since it uses less digits than its factorization.

10020220012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673131.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10020220012221 its reverse (12221002202001), we get a palindrome (22241222214222).

The spelling of 10020220012221 in words is "ten trillion, twenty billion, two hundred twenty million, twelve thousand, two hundred twenty-one".