10020002220101 has 4 divisors (see below), whose sum is σ = 10037991452652. Its totient is φ = 10002012987552.

The previous prime is 10020002220089. The next prime is 10020002220121. The reversal of 10020002220101 is 10102220002001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 457070644900 + 9562931575201 = 676070^2 + 3092399^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020002220101 - 2²⁶ = 10019935111237 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 (10020002220121) 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, 8994615440 + ... + 8994616553.

It is an arithmetic number, because the mean of its divisors is an integer number (2509497863163).

Almost surely, 2^{10020002220101} is an apocalyptic number.

It is an amenable number.

10020002220101 is a deficient number, since it is larger than the sum of its proper divisors (17989232551).

10020002220101 is an equidigital number, since it uses as much as digits as its factorization.

10020002220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17989232550.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10020002220101 its reverse (10102220002001), we get a palindrome (20122222222102).

The spelling of 10020002220101 in words is "ten trillion, twenty billion, two million, two hundred twenty thousand, one hundred one".