10020110222221 has 4 divisors (see below), whose sum is σ = 10931029333344. Its totient is φ = 9109191111100.

The previous prime is 10020110222197. The next prime is 10020110222231. The reversal of 10020110222221 is 12222201102001.

It is a happy number.

10020110222221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10020110222221 - 2²⁹ = 10019573351309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020110222195 and 10020110222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020110222231) 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, 455459555545 + ... + 455459555566.

It is an arithmetic number, because the mean of its divisors is an integer number (2732757333336).

Almost surely, 2^{10020110222221} is an apocalyptic number.

10020110222221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10020110222221 is a deficient number, since it is larger than the sum of its proper divisors (910919111123).

10020110222221 is an equidigital number, since it uses as much as digits as its factorization.

10020110222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910919111122.

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

Adding to 10020110222221 its reverse (12222201102001), we get a palindrome (22242311324222).

The spelling of 10020110222221 in words is "ten trillion, twenty billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty-one".