2010022020221 has 4 divisors (see below), whose sum is σ = 2029923228444. Its totient is φ = 1990120812000.

The previous prime is 2010022020197. The next prime is 2010022020241. The reversal of 2010022020221 is 1220202200102.

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 1345982827225 + 664039192996 = 1160165^2 + 814886^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010022020221 - 2¹⁰ = 2010022019197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010022020196 and 2010022020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010022020241) 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, 9950603960 + ... + 9950604161.

It is an arithmetic number, because the mean of its divisors is an integer number (507480807111).

Almost surely, 2^{2010022020221} is an apocalyptic number.

It is an amenable number.

2010022020221 is a deficient number, since it is larger than the sum of its proper divisors (19901208223).

2010022020221 is a wasteful number, since it uses less digits than its factorization.

2010022020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19901208222.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2010022020221 its reverse (1220202200102), we get a palindrome (3230224220323).

The spelling of 2010022020221 in words is "two trillion, ten billion, twenty-two million, twenty thousand, two hundred twenty-one".